{
  "cveId": "CVE-2019-0631",
  "url": "https://patchblox.com/security/cve/CVE-2019-0631",
  "summary": "CVE-2019-0631 is fixed in 21 products on 1 platform, first by KB4487026, released February 12, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.",
  "title": "Windows Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard. An attacker who successfully exploited this vulnerability could circumvent a User Mode Code Integrity (UMCI) policy on the machine.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by correcting how Windows validates User Mode Code Integrity policies.\u003C/p\u003E",
  "published": "2019-02-19T08:00:00Z",
  "severity": "Important",
  "cvss": 5.3,
  "epss": 0.01335,
  "epssPercentile": 0.71363,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation More Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0631",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.2791",
      "fix": "KB4487026",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487026",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2791",
      "fix": "KB4487026",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487026",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for 32-bit Systems",
      "fixedVersion": "15063.1631",
      "fix": "KB4487020",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487020",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.1631",
      "fix": "KB4487020",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487020",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.967",
      "fix": "KB4486996",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486996",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for ARM64-based Systems",
      "fixedVersion": "16299.967",
      "fix": "KB4486996",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486996",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.967",
      "fix": "KB4486996",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486996",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.590",
      "fix": "KB4487017",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487017",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for ARM64-based Systems",
      "fixedVersion": "17134.590",
      "fix": "KB4487017",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487017",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.590",
      "fix": "KB4487017",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487017",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.316",
      "fix": "KB4487044",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487044",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.316",
      "fix": "KB4487044",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487044",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.316",
      "fix": "KB4487044",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487044",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.18132",
      "fix": "KB4487018",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487018",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.18132",
      "fix": "KB4487018",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487018",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2791",
      "fix": "KB4487026",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487026",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2791",
      "fix": "KB4487026",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487026",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.316",
      "fix": "KB4487044",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487044",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.316",
      "fix": "KB4487044",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487044",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.967",
      "fix": "KB4486996",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486996",
      "released": "2019-02-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.590",
      "fix": "KB4487017",
      "url": "https://patchblox.com/security/fix/microsoft/kb4487017",
      "released": "2019-02-12T00:00:00Z"
    }
  ],
  "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"
  }
}