{
  "cveId": "CVE-2025-59287",
  "url": "https://patchblox.com/security/cve/CVE-2025-59287",
  "summary": "CVE-2025-59287 is fixed in 13 products on 1 platform, first by KB5070882, released October 23, 2025. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on October 24, 2025. Patch Radar priority: Patch now.",
  "title": "Windows Server Update Service (WSUS) Remote Code Execution Vulnerability",
  "description": "\u003Cp\u003EDeserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.\u003C/p\u003E",
  "published": "2025-10-23T12:00:00Z",
  "severity": "Critical",
  "cvss": 9.8,
  "cwe": "Deserialization of Untrusted Data",
  "epss": 0.9998,
  "epssPercentile": 0.9998,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation More Likely",
  "kev": {
    "added": "2025-10-24T00:00:00Z",
    "due": "2025-11-14T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable."
  },
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59287",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5070887",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070887",
      "released": "2025-10-23T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5070887",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070887",
      "released": "2025-10-23T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5070886",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070886",
      "released": "2025-10-23T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5070886",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070886",
      "released": "2025-10-23T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.8524",
      "fix": "KB5070882",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070882",
      "released": "2025-10-23T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.8524",
      "fix": "KB5070882",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070882",
      "released": "2025-10-23T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.7922",
      "fix": "KB5070883",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070883",
      "released": "2025-10-23T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.7922",
      "fix": "KB5070883",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070883",
      "released": "2025-10-23T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "",
      "fix": "KB5070892",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070892",
      "released": "2025-10-23T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.4297",
      "fix": "KB5070884",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070884",
      "released": "2025-10-23T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5070892",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070892",
      "released": "2025-10-23T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.4297",
      "fix": "KB5070884",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070884",
      "released": "2025-10-23T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.1916",
      "fix": "KB5070879",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070879",
      "released": "2025-10-23T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "",
      "fix": "KB5070893",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070893",
      "released": "2025-10-23T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.6905",
      "fix": "KB5070881",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070881",
      "released": "2025-10-23T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5070893",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070893",
      "released": "2025-10-23T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.6905",
      "fix": "KB5070881",
      "url": "https://patchblox.com/security/fix/microsoft/kb5070881",
      "released": "2025-10-23T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}