{
  "cveId": "CVE-2018-8339",
  "url": "https://patchblox.com/security/cve/CVE-2018-8339",
  "summary": "CVE-2018-8339 is fixed in 31 products on 1 platform, first by KB4343887, released August 14, 2018. 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 the Windows Installer fails to properly sanitize input leading to an insecure library loading behavior.\u003C/p\u003E\n\u003Cp\u003EA locally authenticated attacker could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting the input sanitization error to preclude unintended elevation.\u003C/p\u003E",
  "published": "2018-08-14T07:00:00Z",
  "severity": "Important",
  "cvss": 7.4,
  "epss": 0.01164,
  "epssPercentile": 0.67399,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8339",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.2430",
      "fix": "KB4343887",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343887",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2430",
      "fix": "KB4343887",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343887",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for 32-bit Systems",
      "fixedVersion": "15063.1266",
      "fix": "KB4343885",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343885",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.1266",
      "fix": "KB4343885",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343885",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.611",
      "fix": "KB4343897",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343897",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.611",
      "fix": "KB4343897",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343897",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.228",
      "fix": "KB4343909",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343909",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.228",
      "fix": "KB4343909",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343909",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.17946",
      "fix": "KB4343892",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343892",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17946",
      "fix": "KB4343892",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343892",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4343899",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343899",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4343900",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343900",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4343899",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343899",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4343900",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343900",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4343888",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343888",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4343898",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343898",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4343888",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343888",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4343898",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343898",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB4343898",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343898",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4343899",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343899",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4343900",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343900",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4343899",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343899",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4343900",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343900",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4343899",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343899",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4343900",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343900",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4340937",
      "url": "https://patchblox.com/security/fix/microsoft/kb4340937",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4340937",
      "url": "https://patchblox.com/security/fix/microsoft/kb4340937",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for Itanium-Based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4340937",
      "url": "https://patchblox.com/security/fix/microsoft/kb4340937",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4340937",
      "url": "https://patchblox.com/security/fix/microsoft/kb4340937",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4340937",
      "url": "https://patchblox.com/security/fix/microsoft/kb4340937",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4343896",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343896",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4343901",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343901",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4343896",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343896",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4343901",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343901",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4343888",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343888",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4343898",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343898",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4343888",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343888",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4343898",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343898",
      "released": "2018-08-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2430",
      "fix": "KB4343887",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343887",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2430",
      "fix": "KB4343887",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343887",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.611",
      "fix": "KB4343897",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343897",
      "released": "2018-08-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.228",
      "fix": "KB4343909",
      "url": "https://patchblox.com/security/fix/microsoft/kb4343909",
      "released": "2018-08-14T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}