{
  "cveId": "CVE-2025-26673",
  "url": "https://patchblox.com/security/cve/CVE-2025-26673",
  "summary": "CVE-2025-26673 is fixed in 37 products on 1 platform, first by KB5055521, released April 8, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability",
  "description": "\u003Cp\u003EUncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.\u003C/p\u003E",
  "published": "2025-04-08T12:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "cwe": "Uncontrolled Resource Consumption",
  "epss": 0.02726,
  "epssPercentile": 0.86144,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26673",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.7969",
      "fix": "KB5055521",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055521",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.7969",
      "fix": "KB5055521",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055521",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.7136",
      "fix": "KB5055519",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055519",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.7136",
      "fix": "KB5055519",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055519",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5055518",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055518",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5055518",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055518",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5055518",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055518",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5055518",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055518",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5055518",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055518",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5055518",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055518",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.20979",
      "fix": "KB5055547",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055547",
      "released": "2025-04-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.20979",
      "fix": "KB5055547",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055547",
      "released": "2025-04-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5055528",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055528",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5055528",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055528",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5055528",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055528",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5055528",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055528",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for ARM64-based Systems",
      "fixedVersion": "26100.3775",
      "fix": "KB5055523",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055523",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "26100.3775",
      "fix": "KB5055523",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055523",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5055561",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055561",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5055570",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055570",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5055561",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055561",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5055570",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055570",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5055609",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055609",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5055596",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055596",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5055609",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055609",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5055596",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055596",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5055609",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055609",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5055596",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055596",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5055609",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055609",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5055596",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055596",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5055581",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055581",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5055581",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055581",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5055557",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055557",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5055557",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055557",
      "released": "2025-04-08T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.7969",
      "fix": "KB5055521",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055521",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.7969",
      "fix": "KB5055521",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055521",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.7136",
      "fix": "KB5055519",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055519",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.7136",
      "fix": "KB5055519",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055519",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.3453",
      "fix": "KB5055526",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055526",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.3453",
      "fix": "KB5055526",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055526",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.1551",
      "fix": "KB5055527",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055527",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.3775",
      "fix": "KB5055523",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055523",
      "released": "2025-04-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.3775",
      "fix": "KB5055523",
      "url": "https://patchblox.com/security/fix/microsoft/kb5055523",
      "released": "2025-04-08T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}