{
  "cveId": "CVE-2021-26432",
  "url": "https://patchblox.com/security/cve/CVE-2021-26432",
  "summary": "CVE-2021-26432 is fixed in 32 products on 1 platform, first by KB5005043, released August 10, 2021. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.",
  "title": "Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability",
  "description": "",
  "published": "2021-08-12T12:00:00Z",
  "severity": "Critical",
  "cvss": 9.8,
  "epss": 0.11434,
  "epssPercentile": 0.96032,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation More Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26432",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.4583",
      "fix": "KB5005043",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005043",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.4583",
      "fix": "KB5005043",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005043",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.2114",
      "fix": "KB5005030",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005030",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.2114",
      "fix": "KB5005030",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005030",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.2114",
      "fix": "KB5005030",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005030",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for 32-bit Systems",
      "fixedVersion": "18363.1734",
      "fix": "KB5005031",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005031",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for ARM64-based Systems",
      "fixedVersion": "18363.1734",
      "fix": "KB5005031",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005031",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "18363.1734",
      "fix": "KB5005031",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005031",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 20H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 20H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 20H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H1 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H1 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H1 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.19022",
      "fix": "KB5005040",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005040",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.19022",
      "fix": "KB5005040",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005040",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB5005076",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005076",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB5005106",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005106",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB5005076",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005076",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB5005106",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005106",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB5005076",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005076",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5005099",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005099",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5005094",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005094",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5005099",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005099",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5005094",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005094",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5005076",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005076",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5005106",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005106",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5005076",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005076",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5005106",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005106",
      "released": "2021-08-10T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.4583",
      "fix": "KB5005043",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005043",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.4583",
      "fix": "KB5005043",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005043",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.2114",
      "fix": "KB5005030",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005030",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.2114",
      "fix": "KB5005030",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005030",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 2004 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 20H2 (Server Core Installation)",
      "fixedVersion": "",
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}