{
  "cveId": "CVE-2020-1146",
  "url": "https://patchblox.com/security/cve/CVE-2020-1146",
  "summary": "CVE-2020-1146 is fixed in 27 products on 1 platform, first by KB4577015, released September 8, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Microsoft Store Runtime Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EAn elevation of privilege vulnerability exists when the Microsoft Store Runtime 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 Microsoft Store Runtime handles memory.\u003C/p\u003E",
  "published": "2020-09-08T12:00:00Z",
  "severity": "Important",
  "cvss": 6.6,
  "epss": 0.00777,
  "epssPercentile": 0.56067,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1146",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.3930",
      "fix": "KB4577015",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577015",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.3930",
      "fix": "KB4577015",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577015",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.2107",
      "fix": "KB4577041",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577041",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for ARM64-based Systems",
      "fixedVersion": "16299.2107",
      "fix": "KB4577041",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577041",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.2107",
      "fix": "KB4577041",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577041",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.1726",
      "fix": "KB4577032",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577032",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for ARM64-based Systems",
      "fixedVersion": "17134.1726",
      "fix": "KB4577032",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577032",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.1726",
      "fix": "KB4577032",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577032",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.1457",
      "fix": "KB4570333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570333",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.1457",
      "fix": "KB4570333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570333",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.1457",
      "fix": "KB4570333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570333",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for 32-bit Systems",
      "fixedVersion": "19041.508",
      "fix": "KB4571756",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571756",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for ARM64-based Systems",
      "fixedVersion": "19041.508",
      "fix": "KB4571756",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571756",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 2004 for x64-based Systems",
      "fixedVersion": "19041.508",
      "fix": "KB4571756",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571756",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.3930",
      "fix": "KB4577015",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577015",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.3930",
      "fix": "KB4577015",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577015",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.1457",
      "fix": "KB4570333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570333",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.1457",
      "fix": "KB4570333",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570333",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1909 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 2004 (Server Core installation)",
      "fixedVersion": "19041.508",
      "fix": "KB4571756",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571756",
      "released": "2020-09-08T00:00:00Z"
    }
  ],
  "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"
  }
}