{
  "cveId": "CVE-2025-50173",
  "url": "https://patchblox.com/security/cve/CVE-2025-50173",
  "summary": "CVE-2025-50173 is fixed in 37 products on 1 platform, first by KB5063871, released August 12, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows Installer Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EWeak authentication in Windows Installer allows an authorized attacker to elevate privileges locally.\u003C/p\u003E",
  "published": "2025-08-12T12:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "cwe": "Weak Authentication",
  "epss": 0.0055,
  "epssPercentile": 0.46261,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50173",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.8330",
      "fix": "KB5063871",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063871",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.8330",
      "fix": "KB5063871",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063871",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.7678",
      "fix": "KB5063877",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063877",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.7678",
      "fix": "KB5063877",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063877",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5063709",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063709",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5063709",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063709",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5063709",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063709",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5063709",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063709",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5063709",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063709",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5063709",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063709",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.21100",
      "fix": "KB5063889",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063889",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.21100",
      "fix": "KB5063889",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063889",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5063875",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063875",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5063875",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063875",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5063875",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063875",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5063875",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063875",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for ARM64-based Systems",
      "fixedVersion": "26100.4946",
      "fix": "KB5063878",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063878",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for ARM64-based Systems",
      "fixedVersion": "26100.4851",
      "fix": "KB5064010",
      "url": "https://patchblox.com/security/fix/microsoft/kb5064010",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "26100.4946",
      "fix": "KB5063878",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063878",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "26100.4851",
      "fix": "KB5064010",
      "url": "https://patchblox.com/security/fix/microsoft/kb5064010",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5063927",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063927",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5063947",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063947",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5063927",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063927",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5063947",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063947",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5063948",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063948",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5063888",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063888",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5063948",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063948",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5063888",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063888",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5063948",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063948",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5063888",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063888",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5063948",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063948",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5063888",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063888",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5063906",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063906",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5063906",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063906",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5063950",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063950",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5063950",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063950",
      "released": "2025-08-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.8330",
      "fix": "KB5063871",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063871",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.8330",
      "fix": "KB5063871",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063871",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.7678",
      "fix": "KB5063877",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063877",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.7678",
      "fix": "KB5063877",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063877",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.4052",
      "fix": "KB5063880",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063880",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.3989",
      "fix": "KB5063812",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063812",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.4052",
      "fix": "KB5063880",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063880",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.3989",
      "fix": "KB5063812",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063812",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.1791",
      "fix": "KB5063899",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063899",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.4946",
      "fix": "KB5063878",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063878",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.4851",
      "fix": "KB5064010",
      "url": "https://patchblox.com/security/fix/microsoft/kb5064010",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.4946",
      "fix": "KB5063878",
      "url": "https://patchblox.com/security/fix/microsoft/kb5063878",
      "released": "2025-08-12T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.4851",
      "fix": "KB5064010",
      "url": "https://patchblox.com/security/fix/microsoft/kb5064010",
      "released": "2025-08-12T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}