{
  "cveId": "CVE-2019-1337",
  "url": "https://patchblox.com/security/cve/CVE-2019-1337",
  "summary": "CVE-2019-1337 is fixed in 9 products on 1 platform, first by KB4519338, released October 8, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Windows Update Client Information Disclosure Vulnerability",
  "description": "\u003Cp\u003EAn information disclosure vulnerability exists when Windows Update Client fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose memory contents of an elevated process.\u003C/p\u003E\n\u003Cp\u003ETo exploit this vulnerability, an authenticated attacker could run a specially crafted application in user mode.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by correcting how the Windows Update Client handles objects in memory.\u003C/p\u003E",
  "published": "2019-10-08T12:00:00Z",
  "severity": "Important",
  "cvss": 5.5,
  "epss": 0.02199,
  "epssPercentile": 0.82614,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1337",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.805",
      "fix": "KB4519338",
      "url": "https://patchblox.com/security/fix/microsoft/kb4519338",
      "released": "2019-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.805",
      "fix": "KB4519338",
      "url": "https://patchblox.com/security/fix/microsoft/kb4519338",
      "released": "2019-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.805",
      "fix": "KB4519338",
      "url": "https://patchblox.com/security/fix/microsoft/kb4519338",
      "released": "2019-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for 32-bit Systems",
      "fixedVersion": "18362.418",
      "fix": "KB4517389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4517389",
      "released": "2019-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for ARM64-based Systems",
      "fixedVersion": "18362.418",
      "fix": "KB4517389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4517389",
      "released": "2019-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for x64-based Systems",
      "fixedVersion": "18362.418",
      "fix": "KB4517389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4517389",
      "released": "2019-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.805",
      "fix": "KB4519338",
      "url": "https://patchblox.com/security/fix/microsoft/kb4519338",
      "released": "2019-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.805",
      "fix": "KB4519338",
      "url": "https://patchblox.com/security/fix/microsoft/kb4519338",
      "released": "2019-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "18362.418",
      "fix": "KB4517389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4517389",
      "released": "2019-10-08T00:00:00Z"
    }
  ],
  "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"
  }
}