{
  "cveId": "CVE-2022-21975",
  "url": "https://patchblox.com/security/cve/CVE-2022-21975",
  "summary": "CVE-2022-21975 is fixed in 16 products on 1 platform, first by KB5011495, released March 8, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Windows Hyper-V Denial of Service Vulnerability",
  "description": "",
  "published": "2022-03-08T14:00:00Z",
  "severity": "Important",
  "cvss": 4.7,
  "epss": 0.00468,
  "epssPercentile": 0.40736,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21975",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.5006",
      "fix": "KB5011495",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011495",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.2686",
      "fix": "KB5011503",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011503",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "18363.2158",
      "fix": "KB5011485",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011485",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H1 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5011487",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011487",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5011487",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011487",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.19235",
      "fix": "KB5011491",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011491",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB5011564",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011564",
      "released": "2022-03-08T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB5011560",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011560",
      "released": "2022-03-08T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5011564",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011564",
      "released": "2022-03-08T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5011560",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011560",
      "released": "2022-03-08T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5011564",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011564",
      "released": "2022-03-08T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5011560",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011560",
      "released": "2022-03-08T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.5006",
      "fix": "KB5011495",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011495",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.5006",
      "fix": "KB5011495",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011495",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.2686",
      "fix": "KB5011503",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011503",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.2686",
      "fix": "KB5011503",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011503",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "",
      "fix": "KB5011580",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011580",
      "released": "2022-03-08T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.587",
      "fix": "KB5011497",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011497",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5011580",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011580",
      "released": "2022-03-08T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.587",
      "fix": "KB5011497",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011497",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 20H2 (Server Core Installation)",
      "fixedVersion": "",
      "fix": "KB5011487",
      "url": "https://patchblox.com/security/fix/microsoft/kb5011487",
      "released": "2022-03-08T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}