{
  "cveId": "CVE-2020-0981",
  "url": "https://patchblox.com/security/cve/CVE-2020-0981",
  "summary": "CVE-2020-0981 is fixed in 8 products on 1 platform, first by KB4549951, released April 14, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Windows Token Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists when Windows fails to properly handle token relationships.\u003C/p\u003E\n\u003Cp\u003EAn attacker who successfully exploited the vulnerability could allow an application with a certain integrity level to execute code at a different integrity level, leading to a sandbox escape.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by correcting how Windows handles token relationships\u003C/p\u003E",
  "published": "2020-04-14T07:00:00Z",
  "severity": "Important",
  "cvss": 6.3,
  "epss": 0.01271,
  "epssPercentile": 0.70027,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0981",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1909 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}