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CVE-2026-81963

🗓️ 08 Sep 2026 17:19:13Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 3 Media mentions👁 45 Views

Link following in Windows Update Stack allows local privilege escalation.

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cvelist
Cvelist
CVE-2026-81963 Windows Update Stack Elevation of Privilege Vulnerability
8 Sep 202617:19
cvelist
NVD
Vulners
CNA
Node
OR
microsoftwindows_11_23h2Range<10.0.22631.7582arm64
microsoftwindows_11_23h2Range<10.0.22631.7582x64
microsoftwindows_11_24h2Range<10.0.26100.9445arm64
microsoftwindows_11_24h2Range<10.0.26100.9445x64
microsoftwindows_11_25h2Range<10.0.26200.9445arm64
microsoftwindows_11_25h2Range<10.0.26200.9445x64
microsoftwindows_11_26h1Range<10.0.28000.2954arm64
microsoftwindows_11_26h1Range<10.0.28000.2954x64
microsoftwindows_server_2025Range<10.0.26100.33438
[
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 23H2",
    "platforms": [
      "ARM64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.7582",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 23H2",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.7582",
        "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": "10.0.26100.9445",
        "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": "10.0.26200.9445",
        "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": "10.0.28000.2954",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.33438",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.33438",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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