CVE-2026-69720 Windows MIDI Service Module Elevation of Privileges Vulnerability

{
  "id": "e63b444f3c92b7247f02df8583fbc49d1eafcd9184320d8b7f5c7acfc6c4090e",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69720",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-69720 Windows MIDI Service Module Elevation of Privileges Vulnerability",
    "summary": "A heap-based buffer overflow in the Windows MIDI Service Module may allow an authorized attacker to elevate privileges locally.",
    "evidence": "Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.",
    "products": [
      {
        "name": {
          "value": "Windows MIDI Service Module",
          "evidence": "Heap-based buffer overflow in Windows MIDI Service Module"
        },
        "prerequisites": [
          {
            "value": "an authorized attacker",
            "evidence": "allows an authorized attacker to elevate privileges locally"
          }
        ],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-69720",
        "evidence": "CVE-2026-69720 Windows MIDI Service Module Elevation of Privileges Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 26924,
  "published_at": "2026-09-08T14:00:00+00:00"
}