216 lines
8.5 KiB
JSON
216 lines
8.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-55040",
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"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
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"state": "PUBLISHED",
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"assignerShortName": "microsoft",
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"dateReserved": "2026-06-16T14:13:49.835Z",
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"datePublished": "2026-07-14T17:09:00.641Z",
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"dateUpdated": "2026-11-10T22:39:34.284Z"
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},
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"containers": {
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"cna": {
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"title": "Microsoft SharePoint Server Security Feature Bypass Vulnerability",
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"datePublic": "2026-07-14T14:00:00.000Z",
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:microsoft:sharepoint_server_2016:*:*:*:*:enterprise:*:*:*",
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"versionStartIncluding": "16.0.0",
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"versionEndExcluding": "16.0.5561.1001"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:microsoft:sharepoint_server_2019:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "16.0.0",
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"versionEndExcluding": "16.0.10417.20175"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*",
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"versionStartIncluding": "16.0.0",
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"versionEndExcluding": "16.0.19725.20434"
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}
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]
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Microsoft",
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"product": "Microsoft SharePoint Enterprise Server 2016",
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"platforms": [
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"x64-based Systems"
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],
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"versions": [
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{
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"version": "16.0.0",
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"lessThan": "16.0.5561.1001",
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"versionType": "custom",
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"status": "affected"
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}
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]
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},
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{
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"vendor": "Microsoft",
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"product": "Microsoft SharePoint Server 2019",
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"platforms": [
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"x64-based Systems"
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],
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"versions": [
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{
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"version": "16.0.0",
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"lessThan": "16.0.10417.20175",
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"versionType": "custom",
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"status": "affected"
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}
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]
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},
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{
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"vendor": "Microsoft",
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"product": "Microsoft SharePoint Server Subscription Edition",
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"platforms": [
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"x64-based Systems"
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],
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"versions": [
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{
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"version": "16.0.0",
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"lessThan": "16.0.19725.20434",
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"versionType": "custom",
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"status": "affected"
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}
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]
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}
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],
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"descriptions": [
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{
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"value": "Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.",
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"lang": "en-US"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"description": "CWE-1390: Weak Authentication",
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"lang": "en-US",
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"type": "CWE",
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"cweId": "CWE-1390"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
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"shortName": "microsoft",
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"dateUpdated": "2026-11-10T22:39:34.284Z"
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},
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"references": [
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{
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"name": "Microsoft SharePoint Server Security Feature Bypass Vulnerability",
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"tags": [
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"vendor-advisory",
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"patch"
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],
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"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55040"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en-US",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"baseSeverity": "CRITICAL",
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"baseScore": 9.1,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C"
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}
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}
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]
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-07-13T00:00:00+00:00",
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"options": [
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{
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"Exploitation": "active"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3",
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"id": "CVE-2026-55040"
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}
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}
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},
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{
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"other": {
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"type": "kev",
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"content": {
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"dateAdded": "2026-08-18",
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"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-55040"
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}
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}
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}
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],
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"references": [
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{
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"url": "https://www.rapid7.com/blog/post/ra-microsoft-sharepoint-jwt-token-authentication-bypass-cve-2026-55040/",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/sfewer-r7/CVE-2026-55040",
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"tags": [
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"exploit"
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]
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},
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{
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"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-55040",
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"tags": [
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"government-resource"
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-19T03:55:48.123Z"
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},
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"timeline": [
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{
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"time": "2026-08-18T00:00:00.000Z",
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"lang": "en",
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"value": "CVE-2026-55040 added to CISA KEV"
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}
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]
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}
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]
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}
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} |