{
  "cveId": "CVE-2020-0773",
  "url": "https://patchblox.com/security/cve/CVE-2020-0773",
  "summary": "CVE-2020-0773 is fixed in 37 products on 1 platform, first by KB4540670, released March 10, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows ActiveX Installer Service Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EAn elevation of privilege vulnerability exists when the Windows ActiveX Installer Service improperly handles memory.\u003C/p\u003E\n\u003Cp\u003ETo exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting how the Windows ActiveX Installer Service handles memory.\u003C/p\u003E",
  "published": "2020-03-10T07:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "epss": 0.00846,
  "epssPercentile": 0.5828,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0773",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.3564",
      "fix": "KB4540670",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540670",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.3564",
      "fix": "KB4540670",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540670",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.1747",
      "fix": "KB4540681",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540681",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for ARM64-based Systems",
      "fixedVersion": "16299.1747",
      "fix": "KB4540681",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540681",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.1747",
      "fix": "KB4540681",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540681",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.1365",
      "fix": "KB4540689",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540689",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for ARM64-based Systems",
      "fixedVersion": "17134.1365",
      "fix": "KB4540689",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540689",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.1365",
      "fix": "KB4540689",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540689",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.1098",
      "fix": "KB4538461",
      "url": "https://patchblox.com/security/fix/microsoft/kb4538461",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.1098",
      "fix": "KB4538461",
      "url": "https://patchblox.com/security/fix/microsoft/kb4538461",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.1098",
      "fix": "KB4538461",
      "url": "https://patchblox.com/security/fix/microsoft/kb4538461",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.18519",
      "fix": "KB4540693",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540693",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.18519",
      "fix": "KB4540693",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540693",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4541500",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541500",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4540688",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540688",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4541500",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541500",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4540688",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540688",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4541505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541505",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4541509",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541509",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4541505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541505",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4541509",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541509",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB4541509",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541509",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4541500",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541500",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4540688",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540688",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4541500",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541500",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4540688",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540688",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4540694",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540694",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4541510",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541510",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4540694",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540694",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4541510",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541510",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4541505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541505",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4541509",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541509",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4541505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541505",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4541509",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541509",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.3564",
      "fix": "KB4540670",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540670",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.3564",
      "fix": "KB4540670",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540670",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.1098",
      "fix": "KB4538461",
      "url": "https://patchblox.com/security/fix/microsoft/kb4538461",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.1098",
      "fix": "KB4538461",
      "url": "https://patchblox.com/security/fix/microsoft/kb4538461",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.1365",
      "fix": "KB4540689",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540689",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1909 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z"
    }
  ],
  "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"
  }
}