CVE-2026-73019 Windows URL Moniker Security Feature Bypass Vulnerability

{
  "id": "145b7cb5666e2af89a520b6b8d05a6e21ac89879bdcc699b99f683949af5ea56",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73019",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-73019 Windows URL Moniker Security Feature Bypass Vulnerability",
    "summary": "Improper path-equivalence resolution in Windows URL Moniker allows an unauthorized attacker to bypass a security feature over a network.",
    "evidence": "Improper resolution of path equivalence in Windows URL Moniker allows an unauthorized attacker to bypass a security feature over a network.",
    "products": [
      {
        "name": {
          "value": "Windows URL Moniker",
          "evidence": "CVE-2026-73019 Windows URL Moniker Security Feature Bypass Vulnerability"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-73019",
        "evidence": "CVE-2026-73019 Windows URL Moniker Security Feature Bypass Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 27086,
  "published_at": "2026-09-08T14:00:00+00:00"
}