{"DocumentNotes":[{"Audience":"Public","Ordinal":"0","Title":"Release Notes","Type":1,"Value":"

This release consists of the following 124 Microsoft CVEs:

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TagCVEBase ScoreCVSS VectorExploitabilityFAQs?Workarounds?Mitigations?
Windows Deployment ServicesCVE-2026-03867.5CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
SQL ServerCVE-2026-208037.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows HelloCVE-2026-208047.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:CExploitation UnlikelyNoNoNo
Desktop Window ManagerCVE-2026-208055.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation DetectedYesNoNo
Printer Association ObjectCVE-2026-208087.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Kernel MemoryCVE-2026-208097.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Ancillary Function Driver for WinSockCVE-2026-208107.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Win32K - ICOMPCVE-2026-208117.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows LDAP - Lightweight Directory Access ProtocolCVE-2026-208126.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:CExploitation Less LikelyNoNoNo
Graphics KernelCVE-2026-208147.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Capability Access Management Service (camsvc)CVE-2026-208157.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows InstallerCVE-2026-208167.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation More LikelyYesNoNo
Windows Error ReportingCVE-2026-208177.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation More LikelyYesNoNo
Windows KernelCVE-2026-208186.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Virtualization-Based Security (VBS) EnclaveCVE-2026-208195.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Common Log File System DriverCVE-2026-208207.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation More LikelyYesNoNo
Windows Remote Procedure CallCVE-2026-208216.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Microsoft Graphics ComponentCVE-2026-208227.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows File ExplorerCVE-2026-208235.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Remote AssistanceCVE-2026-208245.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Hyper-VCVE-2026-208254.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Tablet Windows User Interface (TWINUI) SubsystemCVE-2026-208267.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Tablet Windows User Interface (TWINUI) SubsystemCVE-2026-208275.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Internet Connection Sharing (ICS)CVE-2026-208284.6CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows TPMCVE-2026-208295.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Capability Access Management Service (camsvc)CVE-2026-208307.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Ancillary Function Driver for WinSockCVE-2026-208317.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Remote Procedure Call Interface Definition Language (IDL)CVE-2026-208327.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows KerberosCVE-2026-208335.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows ShellCVE-2026-208344.6CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyNoNoNo
Capability Access Management Service (camsvc)CVE-2026-208355.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Graphics KernelCVE-2026-208367.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows MediaCVE-2026-208377.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows KernelCVE-2026-208385.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Client-Side Caching (CSC) ServiceCVE-2026-208395.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows NTFSCVE-2026-208407.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation More LikelyYesNoNo
Windows DWMCVE-2026-208427.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Routing and Remote Access Service (RRAS)CVE-2026-208437.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation More LikelyYesNoNo
Windows Clipboard ServerCVE-2026-208447.4CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows ShellCVE-2026-208476.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyNoNoNo
Windows SMB ServerCVE-2026-208487.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows KerberosCVE-2026-208497.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Capability Access Management Service (camsvc)CVE-2026-208516.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows HelloCVE-2026-208527.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:CExploitation Less LikelyNoNoNo
Windows WalletServiceCVE-2026-208537.4CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Local Security Authority Subsystem Service (LSASS)CVE-2026-208547.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Server Update ServiceCVE-2026-208568.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Cloud Files Mini Filter DriverCVE-2026-208577.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Management ServicesCVE-2026-208587.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:T/RC:CExploitation Less LikelyYesNoNo
Windows Kernel-Mode DriversCVE-2026-208597.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Ancillary Function Driver for WinSockCVE-2026-208607.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation More LikelyYesNoNo
Windows Management ServicesCVE-2026-208617.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Management ServicesCVE-2026-208625.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Win32K - ICOMPCVE-2026-208637.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Connected Devices Platform Service (Cdpsvc)CVE-2026-208647.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Management ServicesCVE-2026-208657.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Management ServicesCVE-2026-208667.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Management ServicesCVE-2026-208677.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Routing and Remote Access Service (RRAS)CVE-2026-208688.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Local Session Manager (LSM)CVE-2026-208697.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Win32K - ICOMPCVE-2026-208707.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Desktop Window ManagerCVE-2026-208717.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation More LikelyYesNoNo
Windows NTLMCVE-2026-208726.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Management ServicesCVE-2026-208737.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Management ServicesCVE-2026-208747.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Local Security Authority Subsystem Service (LSASS)CVE-2026-208757.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CExploitation Less LikelyNoNoNo
Windows Virtualization-Based Security (VBS) EnclaveCVE-2026-208766.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Management ServicesCVE-2026-208777.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Management ServicesCVE-2026-209187.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows SMB ServerCVE-2026-209197.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Win32K - ICOMPCVE-2026-209207.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows SMB ServerCVE-2026-209217.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows NTFSCVE-2026-209227.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation More LikelyYesNoNo
Windows Management ServicesCVE-2026-209237.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Management ServicesCVE-2026-209247.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows NTLMCVE-2026-209256.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows SMB ServerCVE-2026-209267.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows SMB ServerCVE-2026-209275.3CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows HTTP.sysCVE-2026-209297.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Telephony ServiceCVE-2026-209318.0CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows File ExplorerCVE-2026-209325.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows SMB ServerCVE-2026-209347.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Virtualization-Based Security (VBS) EnclaveCVE-2026-209356.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows NDISCVE-2026-209364.3CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows File ExplorerCVE-2026-209375.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Virtualization-Based Security (VBS) EnclaveCVE-2026-209387.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows File ExplorerCVE-2026-209395.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Windows Cloud Files Mini Filter DriverCVE-2026-209407.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Host Process for Windows TasksCVE-2026-209417.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesYesNo
Microsoft OfficeCVE-2026-209437.0CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office WordCVE-2026-209448.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office ExcelCVE-2026-209467.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office SharePointCVE-2026-209478.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Microsoft Office WordCVE-2026-209487.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office ExcelCVE-2026-209497.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office ExcelCVE-2026-209507.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office SharePointCVE-2026-209517.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft OfficeCVE-2026-209528.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft OfficeCVE-2026-209538.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office ExcelCVE-2026-209557.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office ExcelCVE-2026-209567.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office ExcelCVE-2026-209577.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office SharePointCVE-2026-209585.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office SharePointCVE-2026-209594.6CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Power AppsCVE-2026-209608.0CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Dynamic Root of Trust for Measurement (DRTM)CVE-2026-209624.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft Office SharePointCVE-2026-209639.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Windows Admin CenterCVE-2026-209657.5CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Inbox COM ObjectsCVE-2026-212197.0CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Capability Access Management Service (camsvc)CVE-2026-212217.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation UnlikelyYesNoNo
Microsoft Edge (Chromium-based)CVE-2026-21223N/AN/AExploitation Less LikelyYesNoNo
Azure Connected Machine AgentCVE-2026-212247.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Azure Core shared client library for PythonCVE-2026-212267.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Azure Logic AppsCVE-2026-212278.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:CN/AYesNoNo
Microsoft AccountCVE-2026-212649.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:CN/AYesNoNo
Windows Secure BootCVE-2026-212656.4CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Less LikelyYesNoNo
Microsoft OfficeCVE-2026-215097.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation DetectedYesNoYes
Copilot StudioCVE-2026-215207.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C/CR:H/IR:L/AR:LN/AYesNoNo
CopilotCVE-2026-215217.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:CN/AYesNoNo
Azure Data ExplorerCVE-2026-215247.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:P/RL:O/RC:CN/AYesNoNo
Azure Resource ManagerCVE-2026-243049.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CN/AYesNoNo
Azure Entra IDCVE-2026-243059.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:CN/AYesNoNo
Azure Front Door (AFD)CVE-2026-243069.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CN/AYesNoNo
M365 CopilotCVE-2026-243079.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:CN/AYesNoNo
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We are republishing 14 non-Microsoft CVEs:

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CNATagCVEFAQs?Workarounds?Mitigations?
MITRE CorporationAgere Windows Modem DriverCVE-2023-31096YesNoNo
MITRE CorporationWindows Motorola Soft Modem DriverCVE-2024-55414YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0628YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0899YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0900YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0901YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0902YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0903YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0904YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0905YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0906YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0907YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-0908YesNoNo
ChromeMicrosoft Edge (Chromium-based)CVE-2026-1220YesNoNo
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Security Update Guide Blog Posts

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DateBlog Post
October 31, 2025You asked, we delivered: Introducing new features for an improved security experience
October 28, 2025Understanding CVE-2025-55315: What CISOs, security engineers, and sysadmins should know
October 22, 2025Toward greater transparency: Introducing machine-readable Vulnerability Exploitability Xchange (VEX) for Azure Linux and beyond
November 12, 2024Toward greater transparency: Publishing machine-readable CSAF files
June 27, 2024Toward greater transparency: Unveiling Cloud Service CVEs
April 9, 2024Toward greater transparency: Security Update Guide now shares CWEs for CVEs
January 6, 2023Publishing CBL-Mariner CVEs on the Security Update Guide CVRF API
January 11, 2022Coming Soon: New Security Update Guide Notification System
February 9, 2021Continuing to Listen: Good News about the Security Update Guide API
January 13, 2021Security Update Guide Supports CVEs Assigned by Industry Partners
December 8, 2020Security Update Guide: Let’s keep the conversation going
November 9, 2020Vulnerability Descriptions in the New Version of the Security Update Guide
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Relevant Resources

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Known Issues

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You can see these in more detail from the Deployments tab by selecting Known Issues column in the Edit Columns panel.

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For more information about Windows Known Issues, please see Windows message center (links to currently-supported versions of Windows are in the left pane).

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KB ArticleApplies To
5073379Windows Server 2025
5073450Windows Server 23H2
5073457Windows Server 2022
5074109Windows 11, version 24H2, Windows 11, version 25H2
\n"},{"Audience":"Public","Ordinal":"1","Title":"Legal Disclaimer","Type":5,"Value":"The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. 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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

\n"},"Number":"5.0"},{"Date":"2026-02-19T01:11:53","Description":{"Value":"

Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Information published.

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Microsoft is aware of vulnerabilities in the third party Agere Soft Modem drivers that ship natively with supported Windows operating systems. This is an announcement of the removal of agrsm64.sys and agrsm.sys drivers. The drivers have been removed in the January 2026 cumulative update.

\n

Soft modem hardware dependent on these specific drivers will no longer work on Windows.

\n

Microsoft recommends removing any existing dependencies on this hardware.

\n

This vulnerability was documented in 2023 via a CVE-2023-31096 issued by MITRE.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the vulnerability only exploitable if the Agere Soft Modem is actively being used?

\n

No. All supported versions of Windows can be affected by a successful exploitation of this vulnerability, even if the modem is not actively being used.

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Information published.

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Microsoft is aware of vulnerabilities in the third party Motorola Soft Modem drivers that ships natively with supported Windows operating systems.

\n

This is an announcement of the upcoming removal of smserl64.sys and smserial.sys drivers. The drivers have been removed in the January cumulative update.

\n

Soft modem hardware dependent on these specific drivers will no longer work on Windows.

\n

Microsoft recommends removing any existing dependencies on this hardware.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Access Control"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Are there additional steps I need to take to be protected from this vulnerability?

\n

Admins should take the following steps to be protected from CVE-2026-0386:

\n
    \n
  1. Audit existing WDS usage and identify hands-free deployments.
    2. \n
  2. Opt in for protection by configuring the registry settings described in: Windows Deployment Services (WDS) Hands-Free Deployment Hardening Guidance. This will provide immediate protection.
    3. \n
\n

This security protection will be enabled by default in a future security update release and no additional administrator action will be required.

\n

How is Microsoft addressing this vulnerability?

\n

To address this vulnerability, by default the hands-free deployment feature will not be supported beginning with a security update in a future release in mid-2026.

\n

Why is the WDS Unattended Installation feature being deprecated?

\n

The legacy WDS workflow transmits unattend.xml over unauthenticated RPC, exposing sensitive credentials during PXE boot. This creates a security risk, including potential machine-in-the-middle (MITM) attacks. To strengthen security posture, Microsoft is enforcing authenticated RPC by default and removing the insecure workflow.

\n

Isn’t using WDS within a network-isolated environment sufficient to mitigate this vulnerability?

\n

Even in isolated networks, unauthenticated RPC introduces attack surfaces that can be exploited internally. Security best practices require eliminating unencrypted credential transmission and enforcing authenticated channels.

\n

What is the impact of this change?

\n

Hands-free deployments that rely on unauthenticated RPC will no longer work by default. Administrators can override this behavior via a registry key (See Windows Deployment Services (WDS) Hands-Free Deployment Hardening Guidance, but this is not recommended for production environments.

\n

Are there any recommended alternative solutions?

\n

Please see Windows Deployment Services (WDS) boot.wim support for alternate recommendations by Microsoft.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

The attacker must inject themselves into the logical network path between the target and the resource requested by the victim to read or modify network communications. This is called a machine-in-the-middle (MITM) attack.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is adjacent (AV:A). What does that mean for this vulnerability?

\n

An authenticated attacker could exploit this vulnerability with LAN access.

\n"},{"Ordinal":"20","Title":"Windows Deployment Services","Type":7,"Value":"Windows Deployment Services"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"177","ProductStatuses":[{"ProductID":["11571","11572","11923","11924","12437","12244","12436","10816","10855","9312","10287","9318","9344","10051","10049","10378","10379","10483","10543"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"FixedBuild":"10.0.17763.8276","ProductID":["11571","11572"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5071544","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073723"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11571","11572"],"SubType":"5073723","Type":3,"URL":"https://support.microsoft.com/help/5073723"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"ProductID":["11571","11572"],"Type":6,"URL":"https://support.microsoft.com/help/5073723"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073457"},"FixedBuild":"10.0.20348.4648","ProductID":["11923","11924"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12437","12436"],"SubType":"5073379","Type":3,"URL":"https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"ProductID":["12437","12436"],"Type":6,"URL":"https://support.microsoft.com/help/5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073450"},"FixedBuild":"10.0.25398.2092","ProductID":["12244"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5071542","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073450"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12244"],"SubType":"5073450","Type":3,"URL":"https://support.microsoft.com/help/5073450"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073450"},"ProductID":["12244"],"Type":6,"URL":"https://support.microsoft.com/help/5073450"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073722"},"FixedBuild":"10.0.14393.8783","ProductID":["10816","10855"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5071543","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073722"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10816","10855"],"SubType":"5073722","Type":3,"URL":"https://support.microsoft.com/help/5073722"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073697"},"FixedBuild":"6.0.6003.23717","ProductID":["9312","10287","9318","9344"],"RestartRequired":{"Value":"Yes"},"SubType":"Monthly Rollup","Supercedence":"5071504","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073697"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["9312","10287","9318","9344"],"SubType":"5073697","Type":3,"URL":"https://support.microsoft.com/help/5073697"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073700"},"FixedBuild":"6.0.6003.23717","ProductID":["9312","10287","9318","9344"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Only","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073700"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["9312","10287","9318","9344"],"SubType":"5073700","Type":3,"URL":"https://support.microsoft.com/help/5073700"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073695"},"FixedBuild":"6.1.7601.28117","ProductID":["10051","10049"],"RestartRequired":{"Value":"Yes"},"SubType":"Monthly Rollup","Supercedence":"5071501","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073695"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10051","10049"],"SubType":"5073695","Type":3,"URL":"https://support.microsoft.com/help/5073695"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073699"},"FixedBuild":"6.1.7601.28117","ProductID":["10051","10049"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Only","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073699"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10051","10049"],"SubType":"5073699","Type":3,"URL":"https://support.microsoft.com/help/5073699"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073698"},"FixedBuild":"6.2.9200.25868","ProductID":["10378","10379"],"RestartRequired":{"Value":"Yes"},"SubType":"Monthly Rollup","Supercedence":"5071505","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073698"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10378","10379"],"SubType":"5073698","Type":3,"URL":"https://support.microsoft.com/help/5073698"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073696"},"FixedBuild":"6.3.9600.22968","ProductID":["10483","10543"],"RestartRequired":{"Value":"Yes"},"SubType":"Monthly Rollup","Supercedence":"5071503","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073696"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10483","10543"],"SubType":"5073696","Type":3,"URL":"https://support.microsoft.com/help/5073696"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11571"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11572"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11923"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11924"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12437"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12244"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12436"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10816"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10855"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["9312"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10287"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["9318"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["9344"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10051"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10049"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10378"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10379"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10483"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10543"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11571"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11572"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11923"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11924"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12437"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12244"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12436"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10816"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10855"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["9312"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10287"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["9318"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["9344"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10051"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10049"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10378"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10379"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10483"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10543"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"},"Type":1}],"Title":{"Value":"Windows Deployment Services Remote Code Execution Vulnerability"}},{"Acknowledgments":[],"CVE":"CVE-2026-0628","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
143.0.3650.13901/08/2026143.0.7499.192/.193
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"178","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"143.0.3650.139","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-09T08:00:09","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0628 Insufficient policy enforcement in WebView tag"}},{"Acknowledgments":[],"CVE":"CVE-2026-0899","CVSSScoreSets":[{"BaseScore":8.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["21130-21692"],"TemporalScore":8.8,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"179","ProductStatuses":[{"ProductID":["11655","21130-21692"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["21130-21692"],"RestartRequired":{},"SubType":"Security Update","Type":2,"URL":"https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["21130-21692"],"Type":3}],"RevisionHistory":[{"Date":"2026-01-16T20:08:16","Description":{"Value":"

Information published.

\n"},"Number":"1.0"},{"Date":"2026-09-18T01:47:53","Description":{"Value":"

Information published.

\n"},"Number":"2.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["21130-21692"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["21130-21692"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0899 Out of bounds memory access in V8"}},{"Acknowledgments":[],"CVE":"CVE-2026-0900","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"180","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:19","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0900 Inappropriate implementation in V8"}},{"Acknowledgments":[],"CVE":"CVE-2026-0901","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"181","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:20","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0901 Inappropriate implementation in Blink"}},{"Acknowledgments":[],"CVE":"CVE-2026-0902","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"182","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:21","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0902 Inappropriate implementation in V8"}},{"Acknowledgments":[],"CVE":"CVE-2026-0903","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"183","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:22","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0903 Insufficient validation of untrusted input in Downloads"}},{"Acknowledgments":[],"CVE":"CVE-2026-0904","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"184","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:23","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0904 Incorrect security UI in Digital Credentials"}},{"Acknowledgments":[],"CVE":"CVE-2026-0905","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"185","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:24","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0905 Insufficient policy enforcement in Network"}},{"Acknowledgments":[],"CVE":"CVE-2026-0906","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"186","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:24","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0906 Incorrect security UI"}},{"Acknowledgments":[],"CVE":"CVE-2026-0907","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"187","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:25","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0907 Incorrect security UI in Split View"}},{"Acknowledgments":[],"CVE":"CVE-2026-0908","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"188","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T20:08:26","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-0908 Use after free in ANGLE"}},{"Acknowledgments":[],"CVE":"CVE-2026-1220","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.9201/23/2026144.0.7559.96/.97
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"189","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.92","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-23T08:00:22","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-1220 Race in V8"}},{"Acknowledgments":[],"CVE":"CVE-2026-1504","CVSSScoreSets":[],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why is this Chrome CVE included in the Security Update Guide?

\n

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

\n

How can I see the version of the browser?

\n
    \n
  1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
    2. \n
  2. Click on Help and Feedback
    3. \n
  3. Click on About Microsoft Edge
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.10401/29/2026144.0.7559.109/.110
\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Chrome","Type":8,"Value":"Chrome"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"190","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.104","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-30T03:20:43","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3}],"Title":{"Value":"Chromium: CVE-2026-1504 Inappropriate implementation in Background Fetch API"}},{"Acknowledgments":[{"Name":[{"Value":"Anonymous"}],"URL":[""]},{"Name":[{"Value":"Anonymous"}],"URL":[""]}],"CVE":"CVE-2026-20803","CVSSScoreSets":[{"BaseScore":7.2,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12147"],"TemporalScore":6.3,"Vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.2,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20748"],"TemporalScore":6.3,"Vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.2,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20751"],"TemporalScore":6.3,"Vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-306","Value":"Missing Authentication for Critical Function"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

I am running SQL Server on my system. What action do I need to take?

\n

Update your relevant version of SQL Server. Any applicable driver fixes are included in those updates.

\n

There are GDR and/or CU (Cumulative Update) updates offered for my version of SQL Server. How do I know which update to use?

\n\n

Note If your SQL Server version number is not represented in the table below, your SQL Server version is no longer supported. Please upgrade to the latest Service Pack or SQL Server product to apply this and future security updates.

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Update NumberReleaseVersionApply if current product version is…This security update also includes servicing releases up through…
5073177SQL Server 2025 RTM+GDR (January GDR)17.0.1050.217.0.1000.7N/A
5072936SQL Server 2022 CU22+GDR (January GDR)16.0.4230.216.0.4003.1 – 16.0.4225.2KB5068450 – Previous SQL2022 RTM CU22
5073031SQL Server 2022 RTM+GDR (January GDR)16.0.1165.116.0.1000.6 – 16.0.1160.1KB5068407 – Previous SQL2022 RTM GDR
\n

What are the GDR and CU update designations and how do they differ?

\n

The General Distribution Release (GDR) and Cumulative Update (CU) designations correspond to the two different servicing options in place for SQL Server baseline releases. A baseline can be either an RTM release or a Service Pack release.

\n\n

For any given baseline, either the GDR or CU updates could be options (see below).

\n\n

Note: You are allowed to make a change from GDR updates to CU updates ONE TIME. Once a SQL Server CU update is applied to a SQL Server installation, there is NO way to go back to the GDR update path.

\n

Can the security updates be applied to SQL Server instances on Windows Azure (IaaS)?

\n

Yes. SQL Server instances on Windows Azure (IaaS) can be offered the security updates through Microsoft Update, or customers can download the security updates from Microsoft Download Center and apply them manually.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain debugging privileges including the ability to dump memory.

\n"},{"Ordinal":"20","Title":"SQL Server","Type":7,"Value":"SQL Server"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"191","ProductStatuses":[{"ProductID":["12147","20748","20751"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073031"},"FixedBuild":"16.0.1165.1","ProductID":["12147"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5068407","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108527"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12147"],"SubType":"5073031","Type":3,"URL":"https://support.microsoft.com/help/5073031"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073177"},"FixedBuild":"17.0.1050.2","ProductID":["20748"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108528"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["20748"],"SubType":"5073177","Type":3,"URL":"https://support.microsoft.com/help/5073177"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5072936"},"FixedBuild":"16.0.4230.2","ProductID":["20751"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5068450","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108526"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["20751"],"SubType":"5072936","Type":3,"URL":"https://support.microsoft.com/help/5072936"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.

\n"},{"Ordinal":"20","Title":"Windows Hello","Type":7,"Value":"Windows Hello"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"192","ProductStatuses":[{"ProductID":["11568","11569","11571","11572","11923","11924","11929","11930","11931","12097","12098","12099","12437","20437","20438","12242","12243","12244","12389","12390","12436","10852","10853","10816","10855"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"FixedBuild":"10.0.17763.8276","ProductID":["11568","11569","11571","11572"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

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The type of information that could be disclosed if an attacker successfully exploited this vulnerability is a section address from a remote ALPC port which is user-mode memory.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Printer Association Object allows an authorized attacker to elevate privileges locally.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain the privileges of the compromised user.

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Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain Kernel Memory Access.

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dawnslab)"}],"URL":[""]}],"CVE":"CVE-2026-20810","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11568"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11569"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11571"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11572"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11929"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11930"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11931"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12097"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12098"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12099"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-590","Value":"Free 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Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Information published.

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Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Information published.

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Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Windows Installer","Type":7,"Value":"Windows Installer"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"201","ProductStatuses":[{"ProductID":["11568","11569","11571","11572","11923","11924","11929","11930","11931","12097","12098","12099","12437","20437","20438","12242","12243","12244","12389","12390","12436","10852","10853","10816","10855","9312","10287","9318","9344","10051","10049","10378","10379","10483","10543"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"FixedBuild":"10.0.17763.8276","ProductID":["11568","11569","11571","11572"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Information published.

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Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is\tKernel memory read - unintentional read access to memory contents in kernel space from a user mode process.

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Information published.

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Updated the build numbers. This is an informational update only.

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Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

An attacker who successfully exploited this vulnerability could view Virtual Trust Level 1 (VTL1) data from Virtual Trust 0 (VTL0) which is the least privileged level.

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Information published.

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Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

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The type of information that could be disclosed if an attacker successfully exploited this vulnerability is one byte of kernel memory could be leaked back to the attacker.

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Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

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According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In a GPU paravirtualization scenario, an attacker who successfully exploited this vulnerability could traverse the guest’s security boundary to gain access to the host environment.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is an address from an object operating at a High Integrity Level in a contained ("sandboxed") execution environment.

\n

Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Information published.

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The FAQs have been updated for this CVE

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Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

Exploitation of the vulnerability requires that a user open a specially crafted file.

\n\n

An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What kind of security feature could be bypassed by successfully exploiting this vulnerability?

\n

An attacker who successfully exploited the vulnerability could evade Mark of the Web (MOTW) defenses.

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Information published.

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Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Guest VM to Hyper-V host server - virtualization security boundary.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

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An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is the local memory address.

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Information published.

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Out-of-bounds read in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to disclose information with a physical attack.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is\tKernel memory read - unintentional read access to memory contents in kernel space from a user mode process.

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Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

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The type of information that could be disclosed if an attacker successfully exploited this vulnerability is secrets or privileged information belonging to the user of the affected application.

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Information published.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Capability Access Management Service (camsvc)","Type":7,"Value":"Capability Access Management Service (camsvc)"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"215","ProductStatuses":[{"ProductID":["12437","12436"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"FixedBuild":"10.0.26100.32230","ProductID":["12437","12436"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12437","12436"],"SubType":"5073379","Type":3,"URL":"https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"ProductID":["12437","12436"],"Type":6,"URL":"https://support.microsoft.com/help/5073379"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Updated the build numbers. This is an informational update only.

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Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Windows Ancillary Function Driver for WinSock","Type":7,"Value":"Windows Ancillary Function Driver for WinSock"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"216","ProductStatuses":[{"ProductID":["11568","11569","11571","11572","11923","11924","11929","11930","11931","12097","12098","12099","12437","20437","20438","12242","12243","12244","12389","12390","12436","10852","10853","10816","10855","9312","10287","9318","9344","10051","10049","10378","10379","10483","10543"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"FixedBuild":"10.0.17763.8276","ProductID":["11568","11569","11571","11572"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker who successfully exploited this vulnerability could create, modify, or delete files in the security context of the "NT AUTHORITY\\SYSTEM" account.

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Information published.

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Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Are there other steps that need to be done to protect from exploitation of this vulnerability?

\n

Yes, please see How to manage Kerberos protocol changes related to CVE-2026-20833 for more information about how to protect from this vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is secrets or privileged information belonging to the user of the affected application.

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Out-of-bounds read in Capability Access Management Service (camsvc) allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

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An attacker who successfully exploited this vulnerability could potentially read the memory of the Capability Access Manager service.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.

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According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

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Information published.

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Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is\tKernel memory read - unintentional read access to memory contents in kernel space from a user mode process.

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Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.

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Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?

\n

Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

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Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

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For an attacker to exploit this vulnerability, they would need to have knowledge of a specific operation that triggers a memory allocation failure, specifically a use after free.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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Updated the build numbers. This is an informational update only.

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Information published.

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on Untrusted Inputs in a Security Decision"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Reliance on untrusted inputs in a security decision in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

A high attack complexity means the attacker must be able to perform a precise machine‑in‑the‑middle modification of Kerberos traffic, which requires specific network positioning and conditions to succeed.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Windows Kerberos","Type":7,"Value":"Windows Kerberos"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"231","ProductStatuses":[{"ProductID":["11568","11569","11571","11572","11923","11924","11929","11930","11931","12097","12098","12099","12437","20437","20438","12242","12243","12244","12389","12390","12436","10852","10853","10816","10855","9312","10287","9318","9344","10051","10049","10378","10379","10483","10543"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"FixedBuild":"10.0.17763.8276","ProductID":["11568","11569","11571","11572"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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Information published.

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Out-of-bounds read in Capability Access Management Service (camsvc) allows an unauthorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

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The type of information that could be disclosed if an attacker successfully exploited this vulnerability is sensitive information.

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Information published.

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Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows WalletService allows an unauthorized attacker to elevate privileges locally.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain the privileges of the compromised user.

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V&M"}],"URL":[""]}],"CVE":"CVE-2026-20854","CVSSScoreSets":[{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12437"],"TemporalScore":6.5,"Vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20437"],"TemporalScore":6.5,"Vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20438"],"TemporalScore":6.5,"Vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12389"],"TemporalScore":6.5,"Vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12390"],"TemporalScore":6.5,"Vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12436"],"TemporalScore":6.5,"Vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-416","Value":"Use 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Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

An attacker with the ability to modify certain directory attributes could provide crafted data that causes the system to reference invalid memory during authentication, potentially leading to a crash or other unintended behavior.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?

\n

Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to prepare the target environment to improve exploit reliability.

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Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

The attacker must inject themselves into the logical network path between the target and the resource requested by the victim to read or modify network communications. This is called a machine-in-the-middle (MITM) attack.

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Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

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An attacker who successfully exploited this vulnerability could gain specific limited SYSTEM privileges.

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Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

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An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Information published.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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Exposure of sensitive information to an unauthorized actor in Windows Management Services allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

\n

An attacker who successfully exploited this vulnerability could potentially read portions of process memory.

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Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Windows Win32K - ICOMP","Type":7,"Value":"Windows Win32K - ICOMP"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"243","ProductStatuses":[{"ProductID":["11923","11924","12437","20437","20438","12242","12243","12244","12389","12390","12436"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073457"},"FixedBuild":"10.0.20348.4648","ProductID":["11923","11924"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5071547","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073457"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11923","11924"],"SubType":"5073457","Type":3,"URL":"https://support.microsoft.com/help/5073457"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073457"},"ProductID":["11923","11924"],"Type":6,"URL":"https://support.microsoft.com/help/5073457"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"FixedBuild":"10.0.26100.32230","ProductID":["12437","12436"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12437","12436"],"SubType":"5073379","Type":3,"URL":"https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"ProductID":["12437","12436"],"Type":6,"URL":"https://support.microsoft.com/help/5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"FixedBuild":"10.0.26200.7623","ProductID":["20437","20438"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["20437","20438"],"SubType":"5074109","Type":3,"URL":"https://support.microsoft.com/help/5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"ProductID":["20437","20438","12389","12390"],"Type":6,"URL":"https://support.microsoft.com/help/5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073455"},"FixedBuild":"10.0.22631.6491","ProductID":["12242","12243"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5071417","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073455"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12242","12243"],"SubType":"5073455","Type":3,"URL":"https://support.microsoft.com/help/5073455"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073455"},"ProductID":["12242","12243"],"Type":6,"URL":"https://support.microsoft.com/help/5073455"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073450"},"FixedBuild":"10.0.25398.2092","ProductID":["12244"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5071542","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073450"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12244"],"SubType":"5073450","Type":3,"URL":"https://support.microsoft.com/help/5073450"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073450"},"ProductID":["12244"],"Type":6,"URL":"https://support.microsoft.com/help/5073450"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"FixedBuild":"10.0.26100.7623","ProductID":["12389","12390"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12389","12390"],"SubType":"5074109","Type":3,"URL":"https://support.microsoft.com/help/5074109"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Connected Devices Platform Service (Cdpsvc)","Type":7,"Value":"Connected Devices Platform Service (Cdpsvc)"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"244","ProductStatuses":[{"ProductID":["11568","11569","11571","11572","11923","11924","11929","11930","11931","12097","12098","12099","12437","20437","20438","12242","12243","12244","12389","12390","12436"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"FixedBuild":"10.0.17763.8276","ProductID":["11568","11569","11571","11572"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

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According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

An attacker authenticated on the domain could exploit this vulnerability by tricking a domain-joined user into sending a request to a malicious server via the Routing and Remote Access Service (RRAS) Snap-in. This could result in the server returning malicious data that might cause arbitrary code execution on the user's system.

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Information published.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Local Session Manager (LSM) allows an authorized attacker to elevate privileges locally.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

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An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Control of File Name or Path"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

Minimal interaction with a malicious file by a user such as selecting (single-click), inspecting (right-click), or performing an action other than opening or executing the file could trigger this vulnerability.

\n"},{"Ordinal":"20","Title":"Windows NTLM","Type":7,"Value":"Windows NTLM"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"252","ProductStatuses":[{"ProductID":["11568","11569","11571","11572","11923","11924","11929","11930","11931","12097","12098","12099","12437","20437","20438","12242","12243","12244","12389","12390","12436","10852","10853","10816","10855","9312","10287","9318","9344","10051","10049","10378","10379","10483","10543"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"FixedBuild":"10.0.17763.8276","ProductID":["11568","11569","11571","11572"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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Information published.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

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Information published.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

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An attacker who successfully exploited this vulnerability could gain Virtual Trust Level 2 (VTL2) privileges.

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Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Information published.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

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According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Information published.

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Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"},"Type":1}],"Title":{"Value":"Windows SMB Server Elevation of Privilege Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Varun Goel"}],"URL":[""]}],"CVE":"CVE-2026-20920","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11923"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11924"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12242"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12243"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12244"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-416","Value":"Use After Free"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Information published.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Windows SMB Server","Type":7,"Value":"Windows SMB Server"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"261","ProductStatuses":[{"ProductID":["11568","11569","11571","11572","11923","11924","11929","11930","11931","12097","12098","12099","12437","20437","20438","12242","12243","12244","12389","12390","12436","10852","10853","10816","10855","9312","10287","9318","9344","10051","10049","10378","10379","10483","10543"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073723"},"FixedBuild":"10.0.17763.8276","ProductID":["11568","11569","11571","11572"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?

\n

Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

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Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

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What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

Minimal interaction with a malicious file by a user such as selecting (single-click), inspecting (right-click), or performing an action other than opening or executing the file could trigger this vulnerability.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to deny service over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

The Attack requires an Service Principal Name (SPN) that is registered to an account that no longer exists or is not in use, to be on the target machine.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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External control of file name or path in Windows Telephony Service allows an authorized attacker to elevate privileges over an adjacent network.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

An attacker with a low‑privileged domain account could remotely send crafted RPC requests to the Telephony service, causing it to write attacker‑controlled data into files on the server. By overwriting Telephony’s configuration file, the attacker can make themselves a Telephony administrator and trigger the service to load a malicious DLL, resulting in remote code execution under a privileged service account.

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According to the CVSS metric, the attack vector is adjacent (AV:A). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires that an attacker needs to be in the same restricted Active Directory domain as the target system. The attack surface is not reachable from broader networks, which is why the attack vector is considered adjacent (AV:A).

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Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is an address from an object operating at a High Integrity Level in a contained ("sandboxed") execution environment.

\n

Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

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According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Information published.

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Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker to disclose information locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

An attacker who successfully exploited this vulnerability could view Virtual Trust Level 1 (VTL1) data from Virtual Trust 0 (VTL0) which is the least privileged level.

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Information published.

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Read"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

Exploiting this vulnerability could allow the disclosure of certain kernel memory content.

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Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

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What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is an address from an object operating at a High Integrity Level in a contained ("sandboxed") execution environment.

\n

Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

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Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain Virtual Trust Level 1 (VTL1) privileges.

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Information published.

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Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is the local memory address.

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Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

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What privileges could be gained by an attacker who successfully exploited this vulnerability?

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An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

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Information published.

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Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Host Process for Windows Tasks","Type":7,"Value":"Host Process for Windows Tasks"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"278","ProductStatuses":[{"ProductID":["12437","20437","20438","12389","12390","12436"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"FixedBuild":"10.0.26100.32230","ProductID":["12437","12436"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12437","12436"],"SubType":"5073379","Type":3,"URL":"https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"ProductID":["12437","12436"],"Type":6,"URL":"https://support.microsoft.com/help/5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"FixedBuild":"10.0.26200.7623","ProductID":["20437","20438"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["20437","20438"],"SubType":"5074109","Type":3,"URL":"https://support.microsoft.com/help/5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"ProductID":["20437","20438","12389","12390"],"Type":6,"URL":"https://support.microsoft.com/help/5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"FixedBuild":"10.0.26100.7623","ProductID":["12389","12390"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12389","12390"],"SubType":"5074109","Type":3,"URL":"https://support.microsoft.com/help/5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"

The following workaround might be helpful in your situation. In all cases, Microsoft strongly recommends that you install the updates for this vulnerability as soon as possible:

\n

Customers running Windows Server 2025 who have Desktop Experience installed are affected by this vulnerability. To protect yourself you can disable the following task in Task Scheduler:

\n

\\Microsoft\\Windows\\WindowsAI\\Recall\\PolicyConfiguration

\n

You should reenable the task once you have installed the fix.

\n

Important: Do NOT undo the workaround until after you have installed the update.

\n"},"Type":0}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to prepare the target environment to improve exploit reliability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Are there additional steps I need to take to be protected from this vulnerability?

\n

Customers should download the latest Office Deployment Tool (ODT) and ensure that this version, or any newer version, is used for all future deployments to remain protected against CVE-2026-20943.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

A user would need to be tricked into opening a folder that contains a specially crafted file.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

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Information published.

\n"},"Number":"1.0"},{"Date":"2026-01-20T08:00:00","Description":{"Value":"

Updated FAQ information. This is an informational change only.

\n"},"Number":"1.2"},{"Date":"2026-01-20T08:00:00","Description":{"Value":"

Corrected CVE title. This is an informational change only.

\n"},"Number":"1.1"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11585"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10753"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10754"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10950"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11961"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["20810"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11585"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10753"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10754"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10950"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11961"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["20810"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Office Click-To-Run Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Mose Nilsson"}],"URL":[""]}],"CVE":"CVE-2026-20944","CVSSScoreSets":[{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-125","Value":"Out-of-bounds Read"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

Yes, the Preview Pane is an attack vector.

\n"},{"Ordinal":"20","Title":"Microsoft Office Word","Type":7,"Value":"Microsoft Office Word"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"280","ProductStatuses":[{"ProductID":["11762","11763","11951","12440"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11762","11763"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11762","11763"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11762"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11763"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11951"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12440"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11762"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11763"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11951"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12440"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Word Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"wh1tc@Kunlun lab& devoke & Zhiniang Peng with HUST"}],"URL":[""]}],"CVE":"CVE-2026-20946","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11573"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11574"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10739"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10740"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-125","Value":"Out-of-bounds Read"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

\n"},{"Ordinal":"20","Title":"Microsoft Office Excel","Type":7,"Value":"Microsoft Office Excel"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"281","ProductStatuses":[{"ProductID":["11573","11574","11762","11763","11951","11952","11953","12420","12421","12440","10739","10740"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002831"},"FixedBuild":"16.0.5535.1000","ProductID":["10739","10740"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002820","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108521"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10739","10740"],"SubType":"5002831","Type":3,"URL":"https://support.microsoft.com/help/5002831"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11573"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11574"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11762"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11763"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11951"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11952"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11953"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12420"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12421"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12440"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10739"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10740"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11573"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11574"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11762"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11763"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11951"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11952"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11953"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12420"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12421"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12440"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10739"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10740"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Excel Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"41ae55e9310ff27fa6f26af4727e5590"}],"URL":[""]}],"CVE":"CVE-2026-20947","CVSSScoreSets":[{"BaseScore":8.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10950"],"TemporalScore":7.7,"Vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11585"],"TemporalScore":7.7,"Vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11961"],"TemporalScore":7.7,"Vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-89","Value":"Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?

\n

Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit the vulnerability?

\n

In a network-based attack, an authenticated attacker, who has a minimum of Site Member permissions (PR:L), could execute code remotely on the SharePoint Server.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?

\n

Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

\n"},{"Ordinal":"20","Title":"Microsoft Office SharePoint","Type":7,"Value":"Microsoft Office SharePoint"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"282","ProductStatuses":[{"ProductID":["10950","11585","11961"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002828"},"FixedBuild":"16.0.5535.1001","ProductID":["10950"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002821","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108518"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10950"],"SubType":"5002828","Type":3,"URL":"https://support.microsoft.com/help/5002828"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002827"},"FixedBuild":"16.0.5535.1000","ProductID":["10950"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002804","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108519"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10950"],"SubType":"5002827","Type":3,"URL":"https://support.microsoft.com/help/5002827"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002825"},"FixedBuild":"16.0.10417.20083","ProductID":["11585"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002816","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108525"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11585"],"SubType":"5002825","Type":3,"URL":"https://support.microsoft.com/help/5002825"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002823"},"FixedBuild":"16.0.10417.20083","ProductID":["11585"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002802","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108520"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11585"],"SubType":"5002823","Type":3,"URL":"https://support.microsoft.com/help/5002823"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002822"},"FixedBuild":"16.0.19127.20442","ProductID":["11961"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002815","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108517"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11961"],"SubType":"5002822","Type":3,"URL":"https://support.microsoft.com/help/5002822"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?

\n

Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

\n"},{"Ordinal":"20","Title":"Microsoft Office Word","Type":7,"Value":"Microsoft Office Word"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"283","ProductStatuses":[{"ProductID":["10950","11585","11573","11574","11762","11763","11951","11952","11953","12420","12421","12440","10746","10747"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002828"},"FixedBuild":"16.0.5535.1001","ProductID":["10950"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002821","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108518"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10950"],"SubType":"5002828","Type":3,"URL":"https://support.microsoft.com/help/5002828"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002827"},"FixedBuild":"16.0.5535.1000","ProductID":["10950"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002804","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108519"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10950"],"SubType":"5002827","Type":3,"URL":"https://support.microsoft.com/help/5002827"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002825"},"FixedBuild":"16.0.10417.20083","ProductID":["11585"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002816","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108525"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11585"],"SubType":"5002825","Type":3,"URL":"https://support.microsoft.com/help/5002825"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002823"},"FixedBuild":"16.0.10417.20083","ProductID":["11585"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002802","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108520"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11585"],"SubType":"5002823","Type":3,"URL":"https://support.microsoft.com/help/5002823"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002829"},"FixedBuild":"16.0.5535.1000","ProductID":["10746"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002789","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108524"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10746"],"SubType":"5002829","Type":3,"URL":"https://support.microsoft.com/help/5002829"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002829"},"FixedBuild":"16.0.5535.1000","ProductID":["10747"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002806","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108524"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10747"],"SubType":"5002829","Type":3,"URL":"https://support.microsoft.com/help/5002829"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Word Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Anonymous"}],"URL":[""]}],"CVE":"CVE-2026-20949","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-284","Value":"Improper Access Control"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What kind of security feature could be bypassed by successfully exploiting this vulnerability?

\n

The security feature bypassed is the macro security controls, specifically the setting that disables XL4 macros (Excel 4.0 macros).

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

The user must open the malicious workbook, enable editing, and then click the attacker‑supplied Quick Access Toolbar (QAT) button, which triggers the XL4 macro despite Trust Center protections.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

\n"},{"Ordinal":"20","Title":"Microsoft Office Excel","Type":7,"Value":"Microsoft Office Excel"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"284","ProductStatuses":[{"ProductID":["11762","11763","11951","11952","11953","12420","12421","12440"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

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Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Excel Security Feature Bypass Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Minjea Park"}],"URL":[""]}],"CVE":"CVE-2026-20950","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10836"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11573"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11574"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10739"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10740"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-416","Value":"Use After Free"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

\n"},{"Ordinal":"20","Title":"Microsoft Office Excel","Type":7,"Value":"Microsoft Office Excel"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"285","ProductStatuses":[{"ProductID":["10836","11573","11574","11762","11763","11951","11952","11953","12420","12421","12440","10739","10740"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002824"},"FixedBuild":"16.0.10417.20083","ProductID":["10836"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002817","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108522"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10836"],"SubType":"5002824","Type":3,"URL":"https://support.microsoft.com/help/5002824"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002831"},"FixedBuild":"16.0.5535.1000","ProductID":["10739","10740"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002820","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108521"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10739","10740"],"SubType":"5002831","Type":3,"URL":"https://support.microsoft.com/help/5002831"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10836"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11573"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11574"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11762"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11763"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11951"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11952"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11953"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12420"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12421"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12440"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10739"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10740"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10836"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11573"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11574"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11762"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11763"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11951"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11952"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11953"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12420"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12421"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12440"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10739"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10740"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Excel Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Piotr Bazydło (@chudypb)"}],"URL":[""]},{"Name":[{}],"URL":[""]}],"CVE":"CVE-2026-20951","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10950"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11585"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11961"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-20","Value":"Improper Input Validation"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

The user must open or load attacker‑controlled content—such as importing a malicious WSDL or opening a file—so the application processes it and triggers the vulnerability.

\n"},{"Ordinal":"20","Title":"Microsoft Office SharePoint","Type":7,"Value":"Microsoft Office SharePoint"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"286","ProductStatuses":[{"ProductID":["10950","11585","11961"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002828"},"FixedBuild":"16.0.5535.1001","ProductID":["10950"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002821","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108518"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10950"],"SubType":"5002828","Type":3,"URL":"https://support.microsoft.com/help/5002828"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002825"},"FixedBuild":"16.0.10417.20083","ProductID":["11585"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002816","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108525"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11585"],"SubType":"5002825","Type":3,"URL":"https://support.microsoft.com/help/5002825"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002822"},"FixedBuild":"16.0.19127.20442","ProductID":["11961"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002815","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108517"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11961"],"SubType":"5002822","Type":3,"URL":"https://support.microsoft.com/help/5002822"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10950"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11585"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11961"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10950"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11585"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11961"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft SharePoint Server Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Anonymous"}],"URL":[""]}],"CVE":"CVE-2026-20952","CVSSScoreSets":[{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11574"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11573"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10753"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10754"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-416","Value":"Use After Free"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

Yes, the Preview Pane is an attack vector.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.

\n

Additionally, an attacker could convince a local user to open a malicious file. The attacker would have to convince the user to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

Exploitation of this vulnerability requires that an attacker send a malicious link to the victim via email, or that they convince the user to click the link, typically by way of an enticement in an email or Instant Messenger message. In the worst-case email attack scenario, an attacker could send a specially crafted email to the user without a requirement that the victim open, read, or click on the link. This could result in the attacker executing remote code on the victim's machine. When multiple attack vectors can be used, we assign a score based on the scenario with the higher risk (UI:N).

\n"},{"Ordinal":"20","Title":"Microsoft Office","Type":7,"Value":"Microsoft Office"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"287","ProductStatuses":[{"ProductID":["11574","11573","11762","11763","11951","11952","11953","12420","12421","12440","10753","10754"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11574","11573","11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11574","11573","11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002826"},"FixedBuild":"16.0.5535.1000","ProductID":["10753","10754"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002819","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108523"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10753","10754"],"SubType":"5002826","Type":3,"URL":"https://support.microsoft.com/help/5002826"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11574"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11573"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11762"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11763"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11951"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11952"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code 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Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Office Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"wh1tc@Kunlun lab & devoke & Zhiniang Peng with HUST"}],"URL":[""]},{"Name":[{"Value":"wh1tc@Kunlun lab & devoke & Zhiniang Peng with HUST"}],"URL":[""]}],"CVE":"CVE-2026-20953","CVSSScoreSets":[{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11574"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11573"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10753"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":8.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10754"],"TemporalScore":7.3,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-416","Value":"Use After Free"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.

\n

Additionally, an attacker could convince a local user to open a malicious file. The attacker would have to convince the user to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

Exploitation of this vulnerability requires that an attacker send a malicious link to the victim via email, or that they convince the user to click the link, typically by way of an enticement in an email or Instant Messenger message. In the worst-case email attack scenario, an attacker could send a specially crafted email to the user without a requirement that the victim open, read, or click on the link. This could result in the attacker executing remote code on the victim's machine. When multiple attack vectors can be used, we assign a score based on the scenario with the higher risk (UI:N).

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

Yes, the Preview Pane is an attack vector.

\n"},{"Ordinal":"20","Title":"Microsoft Office","Type":7,"Value":"Microsoft Office"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"288","ProductStatuses":[{"ProductID":["11574","11573","11763","11762","12420","11953","11952","11951","12421","12440","10753","10754"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11574","11573","11763","11762","12420","11953","11952","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11574","11573","11763","11762","12420","11953","11952","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002826"},"FixedBuild":"16.0.5535.1000","ProductID":["10753","10754"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002819","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108523"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10753","10754"],"SubType":"5002826","Type":3,"URL":"https://support.microsoft.com/help/5002826"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Office Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Minjea Park"}],"URL":[""]}],"CVE":"CVE-2026-20955","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10836"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11573"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11574"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-822","Value":"Untrusted Pointer Dereference"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"20","Title":"Microsoft Office Excel","Type":7,"Value":"Microsoft Office Excel"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"289","ProductStatuses":[{"ProductID":["10836","11573","11574","11762","11763","11951","11952","11953","12420","12421","12440"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002824"},"FixedBuild":"16.0.10417.20083","ProductID":["10836"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002817","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108522"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10836"],"SubType":"5002824","Type":3,"URL":"https://support.microsoft.com/help/5002824"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["10836"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11573"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11574"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11762"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11763"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11951"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11952"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["11953"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12420"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12421"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["12440"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["10836"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11573"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11574"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11762"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11763"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11951"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11952"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11953"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12420"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12421"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12440"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Excel Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Minjea Park"}],"URL":[""]}],"CVE":"CVE-2026-20956","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-822","Value":"Untrusted Pointer Dereference"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

\n"},{"Ordinal":"20","Title":"Microsoft Office Excel","Type":7,"Value":"Microsoft Office Excel"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"290","ProductStatuses":[{"ProductID":["11762","11763","11951","11952","11953","12420","12421","12440"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Excel Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Minjea Park & \"Jmini\""}],"URL":[""]}],"CVE":"CVE-2026-20957","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10836"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11573"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11574"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11951"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12440"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10739"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10740"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-191","Value":"Integer Underflow (Wrap or Wraparound)"},{"ID":"CWE-122","Value":"Heap-based Buffer Overflow"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"20","Title":"Microsoft Office Excel","Type":7,"Value":"Microsoft Office Excel"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"291","ProductStatuses":[{"ProductID":["10836","11573","11574","11762","11763","11951","11952","11953","12420","12421","12440","10739","10740"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002824"},"FixedBuild":"16.0.10417.20083","ProductID":["10836"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002817","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108522"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10836"],"SubType":"5002824","Type":3,"URL":"https://support.microsoft.com/help/5002824"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11573","11574","11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"16.105.26011018","ProductID":["11951","12440"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11951","12440"],"SubType":"Release Notes","Type":3,"URL":"https://go.microsoft.com/fwlink/p/?linkid=831049"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002831"},"FixedBuild":"16.0.5535.1000","ProductID":["10739","10740"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002820","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108521"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10739","10740"],"SubType":"5002831","Type":3,"URL":"https://support.microsoft.com/help/5002831"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed through this issue?

\n

The vulnerability may allow limited exposure of data returned from outbound requests SharePoint makes on the attacker’s behalf, such as external HTTP responses or basic network metadata, but not internal network content or sensitive server information.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L), and integrity (I:L) but lead to no loss of availability (A:N). What is the impact of this vulnerability?

\n

An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality), make changes to disclosed information (Integrity), but cannot limit access to the resource (Availability).

\n"},{"Ordinal":"20","Title":"Microsoft Office SharePoint","Type":7,"Value":"Microsoft Office SharePoint"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"292","ProductStatuses":[{"ProductID":["10950","11585","11961"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002828"},"FixedBuild":"16.0.5535.1001","ProductID":["10950"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002821","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108518"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10950"],"SubType":"5002828","Type":3,"URL":"https://support.microsoft.com/help/5002828"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002825"},"FixedBuild":"16.0.10417.20083","ProductID":["11585"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002816","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108525"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11585"],"SubType":"5002825","Type":3,"URL":"https://support.microsoft.com/help/5002825"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002822"},"FixedBuild":"16.0.19127.20442","ProductID":["11961"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002815","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108517"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11961"],"SubType":"5002822","Type":3,"URL":"https://support.microsoft.com/help/5002822"}],"RevisionHistory":[{"Date":"2026-01-14T08:00:00","Description":{"Value":"

Updated acknowledgment. This is an informational change only.

\n"},"Number":"1.1"},{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Information Disclosure"},"ProductID":["10950"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Information Disclosure"},"ProductID":["11585"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Information Disclosure"},"ProductID":["11961"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10950"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11585"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11961"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft SharePoint Information Disclosure Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Martin Wrona (martin_jw) with Digitec Galaxus AG"}],"URL":[""]}],"CVE":"CVE-2026-20959","CVSSScoreSets":[{"BaseScore":4.6,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10950"],"TemporalScore":4.0,"Vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.6,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11585"],"TemporalScore":4.0,"Vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.6,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11961"],"TemporalScore":4.0,"Vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-79","Value":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R) and privileges required is low (PR:L). What does that mean for this vulnerability?

\n

An authorized attacker must send the user a malicious link and convince the user to open it.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L), and integrity (I:L) but lead to no loss of availability (A:N). What is the impact of this vulnerability?

\n

An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality), make changes to disclosed information (Integrity), but cannot limit access to the resource (Availability).

\n"},{"Ordinal":"20","Title":"Microsoft Office SharePoint","Type":7,"Value":"Microsoft Office SharePoint"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"293","ProductStatuses":[{"ProductID":["10950","11585","11961"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002828"},"FixedBuild":"16.0.5535.1001","ProductID":["10950"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002821","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108518"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10950"],"SubType":"5002828","Type":3,"URL":"https://support.microsoft.com/help/5002828"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002825"},"FixedBuild":"16.0.10417.20083","ProductID":["11585"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002816","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108525"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11585"],"SubType":"5002825","Type":3,"URL":"https://support.microsoft.com/help/5002825"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002822"},"FixedBuild":"16.0.19127.20442","ProductID":["11961"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002815","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108517"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11961"],"SubType":"5002822","Type":3,"URL":"https://support.microsoft.com/help/5002822"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Spoofing"},"ProductID":["10950"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Spoofing"},"ProductID":["11585"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Spoofing"},"ProductID":["11961"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10950"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11585"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11961"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft SharePoint Server Spoofing Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Alasdair Gorniak and Tobias Diehl"}],"URL":[""]},{"Name":[{"Value":"Alasdair Gorniak and Tobias Diehl"}],"URL":[""]}],"CVE":"CVE-2026-20960","CVSSScoreSets":[{"BaseScore":8.0,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["16748"],"TemporalScore":7.0,"Vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-285","Value":"Improper Authorization"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper authorization in Microsoft Power Apps allows an authorized attacker to execute code over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?

\n

Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is network (AV:N) and user interaction is required (UI:R). What is the target context of the remote code execution? This attack requires a user to open a specially crafted shared app from the attacker to initiate remote code execution.

\n"},{"Ordinal":"20","Title":"Microsoft Power Apps","Type":7,"Value":"Microsoft Power Apps"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"294","ProductStatuses":[{"ProductID":["16748"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"25121","ProductID":["16748"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":"https://learn.microsoft.com/en-us/power-apps/mobile/windows-app-install"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["16748"],"SubType":"Release Notes","Type":3,"URL":"https://learn.microsoft.com/en-us/power-platform/released-versions/powerapps-studio-players/3.25121"}],"RevisionHistory":[{"Date":"2026-01-16T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"},{"Date":"2026-01-29T08:00:00","Description":{"Value":"

Corrected Download links in the Security Updates table. This is an informational change only.

\n"},"Number":"2.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["16748"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["16748"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"PowerApps Desktop Client Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Andrea Allievi"}],"URL":[""]},{"Name":[{"Value":"Hilal Asmat"}],"URL":[""]}],"CVE":"CVE-2026-20962","CVSSScoreSets":[{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20438"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20437"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11568"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11569"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11571"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11572"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11923"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11924"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11929"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11930"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11931"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12097"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12098"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12099"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12437"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12242"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12243"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12244"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12389"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12390"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"},{"BaseScore":4.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12436"],"TemporalScore":3.9,"Vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-908","Value":"Use of Uninitialized Resource"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Use of uninitialized resource in Dynamic Root of Trust for Measurement (DRTM) allows an authorized attacker to disclose information locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What type of information could be disclosed by this vulnerability?

\n

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Windows cryptographic secrets.

\n"},{"Ordinal":"20","Title":"Dynamic Root of Trust for Measurement (DRTM)","Type":7,"Value":"Dynamic Root of Trust for Measurement (DRTM)"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"295","ProductStatuses":[{"ProductID":["20438","20437","11568","11569","11571","11572","11923","11924","11929","11930","11931","12097","12098","12099","12437","12242","12243","12244","12389","12390","12436"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"FixedBuild":"10.0.26200.7623","ProductID":["20438","20437"],"RestartRequired":{"Value":"Yes"},"SubType":"Security 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Information published.

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Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Dynamic Root of Trust for Measurement (DRTM) Information Disclosure Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Anonymous"}],"URL":[""]},{"Name":[{"Value":"f7d8c52bec79e42795cf15888b85cbad"}],"URL":[""]},{"Name":[{"Value":"Anonymous"}],"URL":[""]},{"Name":[{"Value":"Anonymous"}],"URL":[""]}],"CVE":"CVE-2026-20963","CVSSScoreSets":[{"BaseScore":9.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10950"],"TemporalScore":8.5,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":9.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11585"],"TemporalScore":8.5,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":9.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11961"],"TemporalScore":8.5,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-502","Value":"Deserialization of Untrusted Data"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

In a network-based attack, an unauthenticated attacker could write arbitrary code to inject and execute code remotely on the SharePoint Server.

\n"},{"Ordinal":"20","Title":"Microsoft Office SharePoint","Type":7,"Value":"Microsoft Office SharePoint"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"296","ProductStatuses":[{"ProductID":["10950","11585","11961"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002828"},"FixedBuild":"16.0.5535.1001","ProductID":["10950"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002821","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108518"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10950"],"SubType":"5002828","Type":3,"URL":"https://support.microsoft.com/help/5002828"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002825"},"FixedBuild":"16.0.10417.20083","ProductID":["11585"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002816","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108525"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11585"],"SubType":"5002825","Type":3,"URL":"https://support.microsoft.com/help/5002825"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002822"},"FixedBuild":"16.0.19127.20442","ProductID":["11961"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002815","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108517"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11961"],"SubType":"5002822","Type":3,"URL":"https://support.microsoft.com/help/5002822"}],"RevisionHistory":[{"Date":"2026-03-17T07:00:00","Description":{"Value":"

Updated the CVSS score and corrected FAQs. This is an informational change only.

\n"},"Number":"1.1"},{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires the attacker to invest in some measurable amount of effort in preparation or execution against the vulnerable component before a successful attack can be expected.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited the vulnerability?

\n

An attacker who successfully exploited the vulnerability could gain local admin privileges on targeted WAC-managed machines within a tenant.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?

\n

This vulnerability could lead to the attacker gaining the ability to interact with other tenant’s applications and content.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How could an attacker exploit this vulnerability?

\n

An attacker with local administrator privileges could exploit this vulnerability by sending a specially crafted HTTPS request to the targeted head node.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How do I get the update for Windows Admin Center (WAC) in Azure?

\n

You can upgrade WAC in the Portal extension on your VM on Azure Portal by:

\n\n

For more information see Manage a Windows VM using Windows Admin Center in Azure

\n"},{"Ordinal":"20","Title":"Windows Admin Center","Type":7,"Value":"Windows Admin Center"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"297","ProductStatuses":[{"ProductID":["12518"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"0.70.0.0","ProductID":["12518"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12518"],"SubType":"Release Notes","Type":3,"URL":"https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/manage-vm"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

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Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

\n

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"20","Title":"Inbox COM Objects","Type":7,"Value":"Inbox COM Objects"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"298","ProductStatuses":[{"ProductID":["16764"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"10.0.26100.7463","ProductID":["16764"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://learn.microsoft.com/en-us/windows/apps/windows-sdk/downloads"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["16764"],"SubType":"Release Notes","Type":3,"URL":"https://learn.microsoft.com/en-us/windows/apps/windows-sdk/release-notes"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["16764"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["16764"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"},"Type":1}],"Title":{"Value":"Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"k0shl"}],"URL":[""]}],"CVE":"CVE-2026-21221","CVSSScoreSets":[{"BaseScore":7.0,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12437"],"TemporalScore":6.1,"Vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.0,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20437"],"TemporalScore":6.1,"Vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.0,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20438"],"TemporalScore":6.1,"Vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.0,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12389"],"TemporalScore":6.1,"Vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.0,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12390"],"TemporalScore":6.1,"Vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":7.0,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12436"],"TemporalScore":6.1,"Vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-362","Value":"Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"},{"ID":"CWE-416","Value":"Use After Free"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to win a race condition.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"20","Title":"Capability Access Management Service (camsvc)","Type":7,"Value":"Capability Access Management Service (camsvc)"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"299","ProductStatuses":[{"ProductID":["12437","20437","20438","12389","12390","12436"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"FixedBuild":"10.0.26100.32230","ProductID":["12437","12436"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12437","12436"],"SubType":"5073379","Type":3,"URL":"https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5073379"},"ProductID":["12437","12436"],"Type":6,"URL":"https://support.microsoft.com/help/5073379"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"FixedBuild":"10.0.26200.7623","ProductID":["20437","20438"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["20437","20438"],"SubType":"5074109","Type":3,"URL":"https://support.microsoft.com/help/5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"ProductID":["20437","20438","12389","12390"],"Type":6,"URL":"https://support.microsoft.com/help/5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5074109"},"FixedBuild":"10.0.26100.7623","ProductID":["12389","12390"],"RestartRequired":{"Value":"Yes"},"SubType":"Security Update","Supercedence":"5072033","Type":2,"URL":"https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5074109"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12389","12390"],"SubType":"5074109","Type":3,"URL":"https://support.microsoft.com/help/5074109"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"},{"Date":"2026-01-20T08:00:00","Description":{"Value":"

Updated the build numbers. This is an informational update only.

\n"},"Number":"1.1"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["12437"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["20437"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["20438"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["12389"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["12390"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["12436"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12437"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["20437"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["20438"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12389"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12390"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12436"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"},"Type":1}],"Title":{"Value":"Capability Access Management Service (camsvc) Elevation of Privilege Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Alex Bernier with CrowdStrike"}],"URL":[""]}],"CVE":"CVE-2026-21223","CVSSScoreSets":[{"BaseScore":7.1,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11655"],"TemporalScore":6.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-269","Value":"Improper Privilege Management"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper privilege management in Microsoft Edge (Chromium-based) allows an authorized attacker to bypass a security feature locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What kind of security feature could be bypassed by successfully exploiting this vulnerability?

\n

An authenticated local attacker can disable or enable Windows VBS without administrative privileges, resulting in bypass of platform security hardening. This does not grant direct code execution as another user but weakens system security guarantees, enabling follow‑on attacks.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What is the version information for this release?

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Microsoft Edge VersionDate ReleasedBased on Chromium Version
144.0.3719.8201/16/2026144.0.7559.60
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of confidentiality (C:H) and integrity (I:H). What does that mean for this vulnerability?

\n

Virtualization-Based Security (VBS) safeguards credentials by isolating them within a secure environment. Disabling VBS reduces this isolation, compromising both confidentiality and integrity. It also weakens essential platform protections such as Credential Guard, Hypervisor-Protected Code Integrity (HVCI), and the Secure Kernel, resulting in a security feature bypass.

\n"},{"Ordinal":"20","Title":"Microsoft Edge (Chromium-based)","Type":7,"Value":"Microsoft Edge (Chromium-based)"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"300","ProductStatuses":[{"ProductID":["11655"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"144.0.3719.82","ProductID":["11655"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11655"],"SubType":"Release Notes","Type":3,"URL":"https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"}],"RevisionHistory":[{"Date":"2026-01-16T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"},{"Date":"2026-02-19T08:00:00","Description":{"Value":"

Updated information to include CVSS scores. This is an informational change only.

\n"},"Number":"1.1"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["11655"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Amir Gombo with Microsoft"}],"URL":[""]},{"Name":[{"Value":"Yonatan Migdal with Microsoft"}],"URL":[""]}],"CVE":"CVE-2026-21224","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12264"],"TemporalScore":6.8,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-121","Value":"Stack-based Buffer Overflow"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Stack-based buffer overflow in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What privileges could be gained by an attacker who successfully exploited this vulnerability?

\n

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack vector is local (AV:L). What does that mean for this vulnerability?

\n

An attacker could trigger this vulnerability remotely by having valid permissions on the Azure Resource Manager (ARM) API to access the Azure Relay. In the worst case scenario, an attacker could locally trigger this vulnerability by running code as a lower-privileged user on the same computer that Azure Arc is running on (AV:L). When multiple attack vectors can be used, we assign a score based on the scenario with the higher risk.

\n"},{"Ordinal":"20","Title":"Azure Connected Machine Agent","Type":7,"Value":"Azure Connected Machine Agent"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"301","ProductStatuses":[{"ProductID":["12264"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"1.60.03293.2680","ProductID":["12264"],"RestartRequired":{"Value":"No"},"SubType":"Windows Update","Type":2,"URL":"https://gbl.his.arc.azure.com/azcmagent/1.60/AzureConnectedMachineAgent.msi"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12264"],"SubType":"Release Notes","Type":3,"URL":"https://learn.microsoft.com/en-us/azure/azure-arc/servers/agent-release-notes"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Release Notes"},"FixedBuild":"1.60.03293.809","ProductID":["12264"],"RestartRequired":{"Value":"No"},"SubType":"Linux Update","Type":2,"URL":"https://learn.microsoft.com/en-us/azure/azure-arc/servers/manage-agent?tabs=windows#install-a-specific-version-of-the-agent"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["12264"],"SubType":"Release Notes","Type":3,"URL":"https://learn.microsoft.com/en-us/azure/azure-arc/servers/agent-release-notes"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["12264"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12264"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Azure Connected Machine Agent Elevation of Privilege Vulnerability"}},{"Acknowledgments":[{"Name":[{}],"URL":[""]},{"Name":[{"Value":"Muhammad Fadilullah Dzaki"}],"URL":[""]}],"CVE":"CVE-2026-21226","CVSSScoreSets":[{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20805"],"TemporalScore":6.5,"Vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-502","Value":"Deserialization of Untrusted Data"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to gather information specific to the environment of the targeted component.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, privileges required is low (PR:L) but the attack occurs remotely. What does that mean for this vulnerability?

\n

To exploit this vulnerability, an attacker would be required change a valid token to be malicious to the service/app which would require developer-type authorization.

\n"},{"Ordinal":"20","Title":"Azure Core shared client library for Python","Type":7,"Value":"Azure Core shared client library for Python"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"302","ProductStatuses":[{"ProductID":["20805"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Change Log"},"FixedBuild":"1.38.0","ProductID":["20805"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Type":2,"URL":"https://github.com/Azure/azure-sdk-for-python/blob/main/sdk/core/azure-core/CHANGELOG.md#1380-2026-01-08"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["20805"],"SubType":"Change Log","Type":3,"URL":"https://github.com/Azure/azure-sdk-for-python/blob/main/sdk/core/azure-core/CHANGELOG.md#1380-2026-01-08"}],"RevisionHistory":[{"Date":"2026-01-13T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Remote Code Execution"},"ProductID":["20805"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["20805"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Azure Core shared client library for Python Remote Code Execution Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Haakon Gulbrandsrud with Binary Security"}],"URL":[""]}],"CVE":"CVE-2026-21227","CVSSScoreSets":[{"BaseScore":8.2,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12228"],"TemporalScore":7.1,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-22","Value":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"Azure Logic Apps","Type":7,"Value":"Azure Logic Apps"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"303","ProductStatuses":[{"ProductID":["12228"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["12228"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12228"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"Azure Logic Apps Elevation of Privilege Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"bufsnake"}],"URL":[""]},{"Name":[{"Value":"Anonymous"}],"URL":[""]}],"CVE":"CVE-2026-21264","CVSSScoreSets":[{"BaseScore":9.3,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12474"],"TemporalScore":8.1,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-79","Value":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Account allows an unauthorized attacker to perform spoofing over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"Microsoft Account","Type":7,"Value":"Microsoft Account"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"304","ProductStatuses":[{"ProductID":["12474"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Spoofing"},"ProductID":["12474"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12474"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"Microsoft Account Spoofing Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Microsoft"}],"URL":[""]}],"CVE":"CVE-2026-21265","CVSSScoreSets":[{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11568"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11569"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11571"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11572"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11923"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11924"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11929"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11930"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11931"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12097"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12098"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12099"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12437"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20437"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20438"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12242"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12243"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12244"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12389"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12390"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12436"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10852"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10853"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10816"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10855"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10378"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10379"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10483"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"},{"BaseScore":6.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10543"],"TemporalScore":5.6,"Vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-1329"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificates are approaching expiration, and devices containing affected certificate versions must update them to maintain Secure Boot functionality and avoid compromising security by losing security fixes related to Windows boot manager or Secure Boot.

\n

The operating system’s certificate update protection mechanism relies on firmware components that might contain defects, which can cause certificate trust updates to fail or behave unpredictably. This leads to potential disruption of the Secure Boot trust chain and requires careful validation and deployment to restore intended security guarantees.

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Certificate Authority (CA)LocationPurposeExpiration Date
Microsoft Corporation KEK CA 2011KEKSigns updates to the DB and DBX06/24/2026
Microsoft Corporation UEFI CA 2011DBSigns 3rd party boot loaders, Option ROMs, etc.06/27/2026
Microsoft Windows Production PCA 2011DBSigns the Windows Boot Manager10/19/2026
\n

For more information see this CVE and Windows Secure Boot certificate expiration and CA updates.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What kind of security feature could be bypassed by successfully exploiting this vulnerability?

\n

An attacker who successfully exploited this vulnerability could bypass Secure Boot.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Where can I find more information about Windows Secure Boot certificate expiration?

\n

To understand more about Windows Secure Boot and the importance of taking immediate action to renew your certificates see Windows Secure Boot certificate expiration and CA updates.

\n

See also the following links for the actions you need to take based on your Windows device:

\n\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

\n

Successful exploitation of this vulnerability requires an attacker to have a deep understanding of the system and the ability to manipulate its components to trigger a specific condition. Successful exploitation is not guaranteed and depends on a combination of factors that may include the environment, system configuration, and the presence of additional security measures.

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Information published.

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Disclosed:Yes;Exploited:No;Latest Software Release:Exploitation Less Likely"},"Type":1}],"Title":{"Value":"Secure Boot Certificate Expiration Security Feature Bypass Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Microsoft Threat Intelligence Center (MSTIC), Microsoft Security Response Center (MSRC), and Office Product Group Security Team"}],"URL":[""]},{"Name":[{"Value":"Google Threat Intelligence Group"}],"URL":[""]}],"CVE":"CVE-2026-21509","CVSSScoreSets":[{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11573"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11574"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11762"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11763"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11952"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11953"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12420"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12421"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10753"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"},{"BaseScore":7.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["10754"],"TemporalScore":7.2,"Vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C"}],"CWE":[{"ID":"CWE-807","Value":"Reliance on Untrusted Inputs in a Security Decision"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

\n

An attacker must send a user a malicious Office file and convince them to open it.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Are the updates for Microsoft Office 2016 and 2019 currently available?

\n

Yes. As of January 26, 2026, the security update for Microsoft Office 2016 and 2019 is available. Customers running Microsoft Office 2016 and 2019 should ensure the update is installed to be protected from this vulnerability.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

How do I know what version of Office 2016 and 2019 I am running?

\n

On January 26 2026, Microsoft released build numbers for Office 2016 16.0.5539.1001 and Office 2019 16.0.10417.20095 to address this vulnerability.

\n

To see what version you have installed:

\n
    \n
  1. In a document click the File tab.
    2. \n
  2. Click Account in the left hand pane.
    3. \n
  3. Click About . The top line of the About dialog box will display the Build number.
    4. \n
\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

What kind of security feature could be bypassed by successfully exploiting this vulnerability?

\n

This update addresses a vulnerability that bypasses OLE mitigations in Microsoft 365 and Microsoft Office which protect users from vulnerable COM/OLE controls.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Is the Preview Pane an attack vector for this vulnerability?

\n

No, the Preview Pane is not an attack vector.

\n"},{"Ordinal":"20","Title":"Microsoft Office","Type":7,"Value":"Microsoft Office"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"306","ProductStatuses":[{"ProductID":["11573","11574","11762","11763","11952","11953","12420","12421","10753","10754"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"16.0.10417.20095","ProductID":["11573","11574"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11573","11574"],"SubType":"Click to Run","Type":3,"URL":"https://learn.microsoft.com/en-us/officeupdates/update-history-office-2019"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Click to Run"},"FixedBuild":"https://aka.ms/OfficeSecurityReleases","ProductID":["11762","11763","11952","11953","12420","12421"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["11762","11763","11952","11953","12420","12421"],"SubType":"Click to Run","Type":3,"URL":"https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"5002713"},"FixedBuild":"16.0.5539.1001","ProductID":["10753","10754"],"RestartRequired":{"Value":"Maybe"},"SubType":"Security Update","Supercedence":"5002573","Type":2,"URL":"https://www.microsoft.com/en-us/download/details.aspx?id=108535"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["10753","10754"],"SubType":"5002713","Type":3,"URL":"https://support.microsoft.com/help/5002713"},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"

Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability.

\n

The following mitigating factors might be helpful in your situation:

\n

Customers running Microsoft 365 Apps, Office 2021 and later will be automatically protected via a service-side change, but will be required to restart their Office applications for this to take effect.

\n

Customers running Office 2016 and 2019 are not protected until they install the security update. Customers on these versions can apply the registry keys described as follows to be immediately protected.

\n

Microsoft Office:

\n
    \n
  1. To start blocking please add the following registry keys:
    2. \n
\n

Caution: \nFollow these steps carefully. Serious problems may occur if you modify the registry incorrectly. Before you start we recommend that you have a known good backup of your registry. See this article for more information: https://support.microsoft.com/en-us/help/322756/how-to-back-up-and-restore-the-registry-in-windows

\n

Exit all Microsoft Office applications.\nStart the Registry Editor by tapping Start (or pressing the Windows key on your keyboard) then typing regedit and pressing enter.

\n
    \n
  1. Locate the proper registry subkey. It will be one of the following:
    2. \n
\n

HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Office\\16.0\\Common\\COM Compatibility\\ (for 64-bit MSI Office, or 32-bit MSI Office on 32-bit Windows)

\n

or

\n

HKEY_LOCAL_MACHINE\\SOFTWARE\\WOW6432Node\\Microsoft\\Office\\16.0\\Common\\COM Compatibility\\ (for 32-bit MSI Office on 64-bit Windows)

\n

or

\n

HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Office\\ClickToRun\\REGISTRY\\MACHINE\\Software\\Microsoft\\Office\\16.0\\Common\\COM Compatibility\\ (for 64-bit Click2Run Office, or 32-bit Click2Run Office on 32-bit Windows)

\n

or

\n

HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Office\\ClickToRun\\REGISTRY\\MACHINE\\Software\\WOW6432Node\\Microsoft\\Office\\16.0\\Common\\COM Compatibility\\ (for 32-bit Click2Run Office on 64-bit Windows)

\n

Note: The COM Compatibility node may not be present by default. If you don't see it, add it by right-clicking the Common node and choosing Add Key.

\n
    \n
  1. Add a new subkey named {EAB22AC3-30C1-11CF-A7EB-0000C05BAE0B} by right-clicking the COM Compatibility node and choosing Add Key.
    2. \n
\n

Within that new subkey we're going to add one new value by right-clicking the new subkey and choosing  New > DWORD (32-bit) Value.

\n

A REG_DWORD hexadecimal value called Compatibility Flags with a value of 400.

\n

Exit Registry Editor and start your Office application.

\n

Example

\n

For example, in Office 2016, 64-bit, on Windows you would locate this registry key:

\n

HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Office\\16.0\\Common\\COM Compatibility\\

\n

Note: Remember, if the COM Compatibility node doesn't exist yet you'll need to create it.

\n

Then add a subkey with the name {EAB22AC3-30C1-11CF-A7EB-0000C05BAE0B}.

\n

In this case, the resulting path is HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Office\\16.0\\Common\\COM Compatibility\\{EAB22AC3-30C1-11CF-A7EB-0000C05BAE0B}.

\n

To that subkey you'll add a REG_DWORD value called Compatibility Flags with a value of 400.

\n"},"Type":1},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"

Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability.

\n

The following mitigating factors might be helpful in your situation:

\n

Customers on Office 2021 and later are automatically protected without registry change. Registry keys do not apply to Office 2016 or Office 2019. Customers using Office 2016 or Office 2019 will not be protected until they install the upcoming security update.

\n"},"Type":1}],"RevisionHistory":[{"Date":"2026-01-26T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"},{"Date":"2026-01-29T08:00:00","Description":{"Value":"

Updated mitigation. This is an informational change only.

\n"},"Number":"2.4"},{"Date":"2026-01-26T08:00:00","Description":{"Value":"

Corrected CVSS score. This is an informational change only.

\n"},"Number":"1.1"},{"Date":"2026-01-26T08:00:00","Description":{"Value":"

The following revisions have been made: 1) Microsoft is announcing the availability of the security updates for Microsoft Office 2016 and 2019. Customers running these versions of Office should install the update for their product to be protected from this vulnerability. Customers whose systems are configured to receive automatic updates do not need to take any further action. 2) Updated FAQ and Mitigations.

\n"},"Number":"2.0"},{"Date":"2026-01-26T08:00:00","Description":{"Value":"

The following revisions have been made: 1) Added the build numbers for Office 2019. 2) Added an FAQ describing how to view Office 2019 build numbers. 3) Updated Publicly Disclosed to No. 4) Added acknowledgement. These are informational changes only.

\n"},"Number":"2.1"},{"Date":"2026-01-27T08:00:00","Description":{"Value":"

Updated FAQ information. This is an informational change only.

\n"},"Number":"2.2"},{"Date":"2026-01-28T08:00:00","Description":{"Value":"

Acknowledgement added. This is an informational change only.

\n"},"Number":"2.3"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["11573"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["11574"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["11762"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["11763"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["11952"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["11953"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["12420"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["12421"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["10753"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Security Feature Bypass"},"ProductID":["10754"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11573"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11574"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11762"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11763"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11952"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["11953"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12420"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["12421"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10753"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["10754"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:Yes;Latest Software Release:Exploitation Detected"},"Type":1}],"Title":{"Value":"Microsoft Office Security Feature Bypass Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Capsule Security with Capsule Security"}],"URL":[""]}],"CVE":"CVE-2026-21520","CVSSScoreSets":[{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12400"],"TemporalScore":6.5,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C/CR:H/IR:L/AR:L"}],"CWE":[{"ID":"CWE-77","Value":"Improper Neutralization of Special Elements used in a Command ('Command Injection')"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"Copilot Studio","Type":7,"Value":"Copilot Studio"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"307","ProductStatuses":[{"ProductID":["12400"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Information Disclosure"},"ProductID":["12400"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12400"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"Copilot Studio Information Disclosure Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Anonymous"}],"URL":[""]}],"CVE":"CVE-2026-21521","CVSSScoreSets":[{"BaseScore":7.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20452"],"TemporalScore":6.4,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-150","Value":"Improper Neutralization of Escape, Meta, or Control Sequences"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"Microsoft Copilot","Type":7,"Value":"Microsoft Copilot"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"308","ProductStatuses":[{"ProductID":["20452"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Information Disclosure"},"ProductID":["20452"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["20452"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"Word Copilot Information Disclosure Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Moshe Bernstein with Tenable"}],"URL":[""]}],"CVE":"CVE-2026-21524","CVSSScoreSets":[{"BaseScore":7.4,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12004"],"TemporalScore":6.7,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C"}],"CWE":[{"ID":"CWE-200","Value":"Exposure of Sensitive Information to an Unauthorized Actor"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Exposure of sensitive information to an unauthorized actor in Azure Data Explorer allows an unauthorized attacker to disclose information over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"Azure Data Explorer","Type":7,"Value":"Azure Data Explorer"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"309","ProductStatuses":[{"ProductID":["12004"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Information Disclosure"},"ProductID":["12004"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12004"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"Azure Data Explorer Information Disclosure Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Matthew Jensen"}],"URL":[""]}],"CVE":"CVE-2026-24304","CVSSScoreSets":[{"BaseScore":9.9,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12443"],"TemporalScore":8.6,"Vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-284","Value":"Improper Access Control"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper access control in Azure Resource Manager allows an authorized attacker to elevate privileges over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"Azure Resource Manager (ARM)","Type":7,"Value":"Azure Resource Manager (ARM)"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"310","ProductStatuses":[{"ProductID":["12443"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"},{"Date":"2026-07-30T07:00:00","Description":{"Value":"

Informational change. CVE ID stays the same.

\n"},"Number":"1.1"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["12443"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12443"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"Azure Resource Manager Elevation of Privilege Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Karel Rymes"}],"URL":[""]},{"Name":[{"Value":"Viacheslav Stratovych"}],"URL":[""]}],"CVE":"CVE-2026-24305","CVSSScoreSets":[{"BaseScore":9.3,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["12383"],"TemporalScore":8.1,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-285","Value":"Improper Authorization"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Azure Entra ID Elevation of Privilege Vulnerability

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"Azure Entra ID","Type":7,"Value":"Azure Entra ID"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"311","ProductStatuses":[{"ProductID":["12383"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["12383"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["12383"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"Azure Entra ID Elevation of Privilege Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Sriharsha Pallekonda with Microsoft"}],"URL":[""]},{"Name":[{"Value":"Parul Garg with Microsoft"}],"URL":[""]}],"CVE":"CVE-2026-24306","CVSSScoreSets":[{"BaseScore":9.8,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["11985"],"TemporalScore":8.5,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-284","Value":"Improper Access Control"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"Azure Front Door (AFD)","Type":7,"Value":"Azure Front Door (AFD)"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"312","ProductStatuses":[{"ProductID":["11985"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Elevation of Privilege"},"ProductID":["11985"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["11985"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"Azure Front Door Elevation of Privilege Vulnerability"}},{"Acknowledgments":[{"Name":[{"Value":"Estevam Arantes with Microsoft"}],"URL":[""]}],"CVE":"CVE-2026-24307","CVSSScoreSets":[{"BaseScore":9.3,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["16765"],"TemporalScore":8.1,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C"}],"CWE":[{"ID":"CWE-1287","Value":"Improper Validation of Specified Type of Input"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2,"Value":"

Improper validation of specified type of input in M365 Copilot allows an unauthorized attacker to disclose information over a network.

\n"},{"Ordinal":"10","Title":"FAQ","Type":4,"Value":"

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

\n

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

\n

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

\n"},{"Ordinal":"20","Title":"M365 Copilot","Type":7,"Value":"M365 Copilot"},{"Ordinal":"30","Title":"Microsoft","Type":8,"Value":"Microsoft"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"No"}],"Ordinal":"313","ProductStatuses":[{"ProductID":["16765"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-22T08:00:00","Description":{"Value":"

Information published.

\n"},"Number":"1.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Information Disclosure"},"ProductID":["16765"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Critical"},"ProductID":["16765"],"Type":3},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A"},"Type":1}],"Title":{"Value":"M365 Copilot Information Disclosure Vulnerability"}},{"Acknowledgments":[],"CVE":"CVE-2026-0719","CVSSScoreSets":[{"BaseScore":7.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20801-17084"],"TemporalScore":7.5,"Vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"CWE":[{"ID":"CWE-121","Value":"Stack-based Buffer Overflow"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2},{"Ordinal":"20","Title":"Mariner","Type":7,"Value":"Mariner"},{"Ordinal":"30","Title":"redhat","Type":8,"Value":"redhat"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"314","ProductStatuses":[{"ProductID":["20801-17084"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[],"RevisionHistory":[{"Date":"2026-01-13T01:45:18","Description":{"Value":"

Information published.

\n"},"Number":"3.0"},{"Date":"2026-01-11T01:05:19","Description":{"Value":"

Information published.

\n"},"Number":"1.0"},{"Date":"2026-01-12T14:39:03","Description":{"Value":"

Information published.

\n"},"Number":"2.0"}],"Threats":[{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{},"ProductID":["20801-17084"],"Type":0},{"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"Important"},"ProductID":["20801-17084"],"Type":3}],"Title":{"Value":"Libsoup: signed to unsigned conversion error leading to stack-based buffer overflow in libsoup ntlm authentication"}},{"Acknowledgments":[],"CVE":"CVE-2025-71115","CVSSScoreSets":[{"BaseScore":5.5,"EnvironmentalScore":0,"IsTemporalScoreFieldSpecified":false,"ProductID":["20788-17084"],"TemporalScore":5.5,"Vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}],"DiscoveryDate":"0001-01-01T00:00:00","DiscoveryDateSpecified":false,"Notes":[{"Ordinal":"0","Title":"Description","Type":2},{"Ordinal":"20","Title":"Mariner","Type":7,"Value":"Mariner"},{"Ordinal":"30","Title":"Linux","Type":8,"Value":"Linux"},{"Ordinal":"40","Title":"Customer Action Required","Type":6,"Value":"Yes"}],"Ordinal":"315","ProductStatuses":[{"ProductID":["20788-17084"],"Type":3}],"ReleaseDate":"0001-01-01T00:00:00","ReleaseDateSpecified":false,"Remediations":[{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"Description":{"Value":"CBL-Mariner Releases"},"FixedBuild":"6.6.119.3-3","ProductID":["20788-17084"],"RestartRequired":{"Value":"No"},"SubType":"Security Update","Type":2,"URL":""},{"AffectedFiles":[],"Date":"0001-01-01T00:00:00","DateSpecified":false,"ProductID":["20788-17084"],"SubType":"CBL-Mariner Releases","Type":3,"URL":"https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"}],"RevisionHistory":[{"Date":"2026-01-17T14:35:48","Description":{"Value":"

Information published.

\n"},"Number":"2.0"},{"Date":"2026-02-18T14:42:16","Description":{"Value":"

Information published.

\n"},"Number":"3.0"},{"Date":"2026-01-16T01:02:36","Description":{"Value":"

Information published.

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