CVE-2026-83705 HTTP.sys Information Disclosure Vulnerability

{
  "id": "7e4d428e8f3642e8bb08f8518312adf9d84bd35ad5a9566f33c595034bdf44f2",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83705",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-83705 HTTP.sys Information Disclosure Vulnerability",
    "summary": "An authorized attacker could disclose sensitive system information locally through Windows HTTP.sys.",
    "evidence": "Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.",
    "products": [
      {
        "name": {
          "value": "Windows HTTP.sys",
          "evidence": "Windows HTTP.sys"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-83705",
        "evidence": "CVE-2026-83705 HTTP.sys Information Disclosure Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 24963,
  "published_at": "2026-10-13T14:00:00+00:00"
}