{
  "cveId": "CVE-2020-1366",
  "url": "https://patchblox.com/security/cve/CVE-2020-1366",
  "summary": "CVE-2020-1366 is fixed in 23 products on 1 platform, first by KB4565508, released July 14, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows Print Workflow Service Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EAn elevation of privilege vulnerability exists when the Windows Print Workflow Service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the AppContainer sandbox.\u003C/p\u003E\n\u003Cp\u003ETo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting how the Windows Print Workflow Service handles objects in memory.\u003C/p\u003E",
  "published": "2020-07-14T12:00:00Z",
  "severity": "Important",
  "cvss": 7,
  "epss": 0.00756,
  "epssPercentile": 0.55384,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1366",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.1992",
      "fix": "KB4565508",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565508",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for ARM64-based Systems",
      "fixedVersion": "16299.1992",
      "fix": "KB4565508",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565508",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.1992",
      "fix": "KB4565508",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565508",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.1610",
      "fix": "KB4565489",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565489",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for ARM64-based Systems",
      "fixedVersion": "17134.1610",
      "fix": "KB4565489",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565489",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.1610",
      "fix": "KB4565489",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565489",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.1339",
      "fix": "KB4558998",
      "url": "https://patchblox.com/security/fix/microsoft/kb4558998",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.1339",
      "fix": "KB4558998",
      "url": "https://patchblox.com/security/fix/microsoft/kb4558998",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.1339",
      "fix": "KB4558998",
      "url": "https://patchblox.com/security/fix/microsoft/kb4558998",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for 32-bit Systems",
      "fixedVersion": "19041.388",
      "fix": "KB4565503",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565503",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for ARM64-based Systems",
      "fixedVersion": "19041.388",
      "fix": "KB4565503",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565503",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for x64-based Systems",
      "fixedVersion": "19041.388",
      "fix": "KB4565503",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565503",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.1339",
      "fix": "KB4558998",
      "url": "https://patchblox.com/security/fix/microsoft/kb4558998",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.1339",
      "fix": "KB4558998",
      "url": "https://patchblox.com/security/fix/microsoft/kb4558998",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1909 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 2004 (Server Core installation)",
      "fixedVersion": "19041.388",
      "fix": "KB4565503",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565503",
      "released": "2020-07-14T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}