CVE-2026-69554 Microsoft Windows Search Component Tampering Vulnerability

{
  "id": "3b6a3e3dd2e2c96be53c33a39bfe90386af13ab11e7d2a3d14069a83f19f2cf2",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69554",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-69554 Microsoft Windows Search Component Tampering Vulnerability",
    "summary": "An authorized attacker could perform local tampering due to missing authentication for a critical function in Microsoft Windows Search Component.",
    "evidence": "Missing authentication for critical function in Microsoft Windows Search Component allows an authorized attacker to perform tampering locally.",
    "products": [
      {
        "name": {
          "value": "Microsoft Windows Search Component",
          "evidence": "Missing authentication for critical function in Microsoft Windows Search Component"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-69554",
        "evidence": "CVE-2026-69554 Microsoft Windows Search Component Tampering Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 26530,
  "published_at": "2026-09-08T14:00:00+00:00"
}