{
  "cveId": "CVE-2020-0779",
  "url": "https://patchblox.com/security/cve/CVE-2020-0779",
  "summary": "CVE-2020-0779 is fixed in 41 products on 1 platform, first by KB4540670, released March 10, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows Installer Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EAn elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links.  An attacker who successfully exploited this vulnerability could bypass access restrictions to add or remove files.\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 and add or remove files.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by modifying how reparse points are handled by the Windows Installer.\u003C/p\u003E",
  "published": "2020-03-10T07:00:00Z",
  "severity": "Important",
  "cvss": 7,
  "epss": 0.00992,
  "epssPercentile": 0.62775,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0779",
  "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 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4541504",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541504",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4541506",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541506",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4541504",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541504",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4541506",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541506",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4541504",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541504",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4541506",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541506",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4541504",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541504",
      "released": "2020-03-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4541506",
      "url": "https://patchblox.com/security/fix/microsoft/kb4541506",
      "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"
  }
}