552 lines
24 KiB
JSON
552 lines
24 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-45596",
|
|
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "microsoft",
|
|
"dateReserved": "2026-05-12T19:55:45.730Z",
|
|
"datePublished": "2026-06-09T17:05:36.643Z",
|
|
"dateUpdated": "2026-11-10T23:24:28.197Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"title": "Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability",
|
|
"datePublic": "2026-06-09T14:00:00.000Z",
|
|
"cpeApplicability": [
|
|
{
|
|
"nodes": [
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*",
|
|
"versionStartIncluding": "10.0.17763.0",
|
|
"versionEndExcluding": "10.0.17763.8880"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "10.0.17763.0",
|
|
"versionEndExcluding": "10.0.17763.8880"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "10.0.17763.0",
|
|
"versionEndExcluding": "10.0.17763.8880"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "10.0.20348.0",
|
|
"versionEndExcluding": "10.0.20348.5256"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*",
|
|
"versionStartIncluding": "10.0.19044.0",
|
|
"versionEndExcluding": "10.0.19044.7417"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*",
|
|
"versionStartIncluding": "10.0.19045.0",
|
|
"versionEndExcluding": "10.0.19045.7417"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "10.0.26100.0",
|
|
"versionEndExcluding": "10.0.26100.32995"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*",
|
|
"versionStartIncluding": "10.0.26200.0",
|
|
"versionEndExcluding": "10.0.26200.8655"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*",
|
|
"versionStartIncluding": "10.0.22631.0",
|
|
"versionEndExcluding": "10.0.22631.7219"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*",
|
|
"versionStartIncluding": "10.0.22631.0",
|
|
"versionEndExcluding": "10.0.22631.7219"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*",
|
|
"versionStartIncluding": "10.0.26100.0",
|
|
"versionEndExcluding": "10.0.26100.8655"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "10.0.26100.0",
|
|
"versionEndExcluding": "10.0.26100.32995"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*",
|
|
"versionStartIncluding": "10.0.28000.0",
|
|
"versionEndExcluding": "10.0.28000.2269"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*",
|
|
"versionStartIncluding": "10.0.14393.0",
|
|
"versionEndExcluding": "10.0.14393.9234"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "10.0.14393.0",
|
|
"versionEndExcluding": "10.0.14393.9234"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "10.0.14393.0",
|
|
"versionEndExcluding": "10.0.14393.9234"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*",
|
|
"versionStartIncluding": "6.2.9200.0",
|
|
"versionEndExcluding": "6.2.9200.26132"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*",
|
|
"versionStartIncluding": "6.2.9200.0",
|
|
"versionEndExcluding": "6.2.9200.26132"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*",
|
|
"versionStartIncluding": "6.3.9600.0",
|
|
"versionEndExcluding": "6.3.9600.23228"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*",
|
|
"versionStartIncluding": "6.3.9600.0",
|
|
"versionEndExcluding": "6.3.9600.23228"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 10 Version 1607",
|
|
"platforms": [
|
|
"32-bit Systems",
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.14393.0",
|
|
"lessThan": "10.0.14393.9234",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 10 Version 1809",
|
|
"platforms": [
|
|
"32-bit Systems",
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.17763.0",
|
|
"lessThan": "10.0.17763.8880",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 10 Version 21H2",
|
|
"platforms": [
|
|
"32-bit Systems",
|
|
"ARM64-based Systems",
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.19044.0",
|
|
"lessThan": "10.0.19044.7417",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 10 Version 22H2",
|
|
"platforms": [
|
|
"32-bit Systems",
|
|
"ARM64-based Systems",
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.19045.0",
|
|
"lessThan": "10.0.19045.7417",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 11 version 23H2",
|
|
"platforms": [
|
|
"ARM64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.22631.0",
|
|
"lessThan": "10.0.22631.7219",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 11 Version 23H2",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.22631.0",
|
|
"lessThan": "10.0.22631.7219",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 11 Version 24H2",
|
|
"platforms": [
|
|
"ARM64-based Systems",
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.26100.0",
|
|
"lessThan": "10.0.26100.8655",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 11 Version 25H2",
|
|
"platforms": [
|
|
"ARM64-based Systems",
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.26200.0",
|
|
"lessThan": "10.0.26200.8655",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows 11 version 26H1",
|
|
"platforms": [
|
|
"ARM64-based Systems",
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.28000.0",
|
|
"lessThan": "10.0.28000.2269",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2012",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "6.2.9200.0",
|
|
"lessThan": "6.2.9200.26132",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2012 (Server Core installation)",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "6.2.9200.0",
|
|
"lessThan": "6.2.9200.26132",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2012 R2",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "6.3.9600.0",
|
|
"lessThan": "6.3.9600.23228",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2012 R2 (Server Core installation)",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "6.3.9600.0",
|
|
"lessThan": "6.3.9600.23228",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2016",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.14393.0",
|
|
"lessThan": "10.0.14393.9234",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2016 (Server Core installation)",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.14393.0",
|
|
"lessThan": "10.0.14393.9234",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2019",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.17763.0",
|
|
"lessThan": "10.0.17763.8880",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2019 (Server Core installation)",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.17763.0",
|
|
"lessThan": "10.0.17763.8880",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2022",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.20348.0",
|
|
"lessThan": "10.0.20348.5256",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2025",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.26100.0",
|
|
"lessThan": "10.0.26100.32995",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Microsoft",
|
|
"product": "Windows Server 2025 (Server Core installation)",
|
|
"platforms": [
|
|
"x64-based Systems"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "10.0.26100.0",
|
|
"lessThan": "10.0.26100.32995",
|
|
"versionType": "custom",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"descriptions": [
|
|
{
|
|
"value": "Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.",
|
|
"lang": "en-US"
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"description": "CWE-416: Use After Free",
|
|
"lang": "en-US",
|
|
"type": "CWE",
|
|
"cweId": "CWE-416"
|
|
},
|
|
{
|
|
"description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')",
|
|
"lang": "en-US",
|
|
"type": "CWE",
|
|
"cweId": "CWE-362"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
|
|
"shortName": "microsoft",
|
|
"dateUpdated": "2026-11-10T23:24:28.197Z"
|
|
},
|
|
"references": [
|
|
{
|
|
"name": "Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability",
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"patch"
|
|
],
|
|
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45596"
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en-US",
|
|
"value": "GENERAL"
|
|
}
|
|
],
|
|
"cvssV3_1": {
|
|
"version": "3.1",
|
|
"baseSeverity": "HIGH",
|
|
"baseScore": 7,
|
|
"vectorString": "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"
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-06-10T03:56:40.897269Z",
|
|
"id": "CVE-2026-45596",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "total"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-06-10T10:18:18.390Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |