{
  "cveId": "CVE-2026-88235",
  "url": "https://patchblox.com/security/cve/CVE-2026-88235",
  "summary": "CVE-2026-88235 is fixed in 18 products on 1 platform, first by KB5131087, released November 10, 2026. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.",
  "title": "Servicing Stack Updates Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EUnintended proxy or intermediary (\u0027confused deputy\u0027) in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.\u003C/p\u003E",
  "published": "2026-11-10T08:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "cwe": "Unintended Proxy or Intermediary (\u0027Confused Deputy\u0027)",
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation More Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88235",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5131083",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131083",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5131083",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131083",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5131085",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131085",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5131085",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131085",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5131096",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131096",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5131096",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131096",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5131096",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131096",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5131096",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131096",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5131096",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131096",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5131096",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131096",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "22631.7711",
      "fix": "KB5131087",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131087",
      "released": "2026-11-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "22631.7711",
      "fix": "KB5131087",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131087",
      "released": "2026-11-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "",
      "fix": "KB5131083",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131083",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5131083",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131083",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "",
      "fix": "KB5131085",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131085",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5131085",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131085",
      "released": "2026-11-10T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.5870",
      "fix": "KB5131090",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131090",
      "released": "2026-11-10T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.5870",
      "fix": "KB5131090",
      "url": "https://patchblox.com/security/fix/microsoft/kb5131090",
      "released": "2026-11-10T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}