CVE-2026-77492 Windows Storage Port Driver Information Disclosure Vulnerability

{
  "id": "ee692c991ce42be1bf439b95f38d3d966617cf41fc6000bcd8b2b02b7cf9558c",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77492",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-77492 Windows Storage Port Driver Information Disclosure Vulnerability",
    "summary": "An out-of-bounds read in the Windows Storage Port Driver allows an authorized attacker to disclose information locally.",
    "evidence": "Out-of-bounds read in Storage Port Driver allows an authorized attacker to disclose information locally.",
    "products": [
      {
        "name": {
          "value": "Windows Storage Port Driver",
          "evidence": "CVE-2026-77492 Windows Storage Port Driver Information Disclosure Vulnerability"
        },
        "prerequisites": [
          {
            "value": "authorized attacker",
            "evidence": "allows an authorized attacker to disclose information locally."
          }
        ],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-77492",
        "evidence": "CVE-2026-77492 Windows Storage Port Driver Information Disclosure Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 26670,
  "published_at": "2026-09-08T14:00:00+00:00"
}