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CVE-2026-20812

šŸ—“ļøĀ 13 Jan 2026Ā 17:56:11Reported byĀ microsoftTypeĀ 
cve
Ā cve
šŸ”—Ā web.nvd.nist.govšŸ‘Ā 14Ā Views

CVE-2026-20812: Improper input validation in Windows Lightweight Directory Access Protocol enables tampering over the network by an authorized attacker.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
microsoftwindows_10_1607Range<10.0.14393.8783x64
OR
microsoftwindows_10_1607Range<10.0.14393.8783x86
OR
microsoftwindows_10_1809Range<10.0.17763.8276x64
OR
microsoftwindows_10_1809Range<10.0.17763.8276x86
OR
microsoftwindows_10_21h2Range<10.0.19044.6809
OR
microsoftwindows_10_22h2Range<10.0.19045.6809
OR
microsoftwindows_11_23h2Range<10.0.22631.6491
OR
microsoftwindows_11_24h2Range<10.0.26100.7623
OR
microsoftwindows_11_25h2Range<10.0.26200.7623
OR
microsoftwindows_server_2016Range<10.0.14393.8783
OR
microsoftwindows_server_2019Range<10.0.17763.8276
OR
microsoftwindows_server_2022Range<10.0.20348.4648
OROR
microsoftwindows_server_2025Range<10.0.26100.32230
[
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 1607",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.14393.0",
        "lessThan": "10.0.14393.8783",
        "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": "10.0.17763.8276",
        "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": "10.0.19044.6809",
        "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": "10.0.19045.6809",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 22H3",
    "platforms": [
      "ARM64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.6491",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 23H2",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.6491",
        "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": "10.0.26100.7623",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 25H2",
    "versions": [
      {
        "version": "10.0.26200.0",
        "lessThan": "10.0.26200.7623",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2016",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.14393.0",
        "lessThan": "10.0.14393.8783",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2016 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.14393.0",
        "lessThan": "10.0.14393.8783",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2019",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.17763.0",
        "lessThan": "10.0.17763.8276",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2019 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.17763.0",
        "lessThan": "10.0.17763.8276",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2022",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.20348.0",
        "lessThan": "10.0.20348.4648",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.25398.0",
        "lessThan": "10.0.25398.2092",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.32230",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.32230",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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01 Apr 2026 13:48Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
EPSS0.00094
SSVC
14