{
  "cveId": "CVE-2025-21189",
  "url": "https://patchblox.com/security/cve/CVE-2025-21189",
  "summary": "CVE-2025-21189 is fixed in 37 products on 1 platform, first by KB5049993, released January 14, 2025. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.",
  "title": "MapUrlToZone Security Feature Bypass Vulnerability",
  "description": "",
  "published": "2025-01-14T14:00:00Z",
  "severity": "Important",
  "cvss": 4.3,
  "cwe": "Improper Resolution of Path Equivalence",
  "epss": 0.02908,
  "epssPercentile": 0.87063,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation More Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21189",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.7699",
      "fix": "KB5049993",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049993",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.7699",
      "fix": "KB5049993",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049993",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.6775",
      "fix": "KB5050008",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050008",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.6775",
      "fix": "KB5050008",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050008",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.20890",
      "fix": "KB5050013",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050013",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.20890",
      "fix": "KB5050013",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050013",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5050021",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050021",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5050021",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050021",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5050021",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050021",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5050021",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050021",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for ARM64-based Systems",
      "fixedVersion": "26100.2894",
      "fix": "KB5050009",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050009",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "26100.2894",
      "fix": "KB5050009",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050009",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5050049",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050049",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5050049",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050049",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5050063",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050063",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5050063",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050063",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5050063",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050063",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5050063",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050063",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5050004",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050004",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5050004",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050004",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5050048",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050048",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5050048",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050048",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5049994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049994",
      "released": "2025-01-14T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.7699",
      "fix": "KB5049993",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049993",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.7699",
      "fix": "KB5049993",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049993",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.6775",
      "fix": "KB5050008",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050008",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.6775",
      "fix": "KB5050008",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050008",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.3091",
      "fix": "KB5049983",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049983",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.3091",
      "fix": "KB5049983",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049983",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.1369",
      "fix": "KB5049984",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049984",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.2894",
      "fix": "KB5050009",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050009",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.2894",
      "fix": "KB5050009",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050009",
      "released": "2025-01-14T00:00:00Z"
    }
  ],
  "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"
  }
}