CVE-2026-108398 .NET Framework Security Feature Bypass Vulnerability

{
  "id": "d02503a7af1bc9d25d7853982968867317d074887373143ccb5d777d70bb2fc9",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108398",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-108398 .NET Framework Security Feature Bypass Vulnerability",
    "summary": "An authorized attacker could bypass a .NET Framework security feature locally through an untrusted search path.",
    "evidence": "Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.",
    "products": [
      {
        "name": {
          "value": ".NET Framework",
          "evidence": "CVE-2026-108398 .NET Framework Security Feature Bypass Vulnerability"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-108398",
        "evidence": "CVE-2026-108398 .NET Framework Security Feature Bypass Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 24760,
  "published_at": "2026-10-13T14:00:00+00:00"
}