CVE-2026-69743 Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

{
  "id": "97d407b5d69028141f7545f96ae0a06769670968cdd443b296cd5805cc3b5ab4",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69743",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-69743 Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability",
    "summary": "An authorized attacker could exploit a use-after-free in the Windows Program Compatibility Assistant Service to elevate privileges locally.",
    "evidence": "Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.",
    "products": [
      {
        "name": {
          "value": "Windows Program Compatibility Assistant Service",
          "evidence": "Windows Program Compatibility Assistant Service"
        },
        "prerequisites": [
          {
            "value": "an authorized attacker",
            "evidence": "allows an authorized attacker"
          }
        ],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-69743",
        "evidence": "CVE-2026-69743"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 24913,
  "published_at": "2026-10-13T14:00:00+00:00"
}