CVE-2026-70197 .NET Remote Code Execution Vulnerability

{
  "id": "2246f141c44fe9c48055a8f883be4277d936101f5a1f0f74647539f19e9b57c9",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70197",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-70197 .NET Remote Code Execution Vulnerability",
    "summary": "Microsoft says the vulnerability has not been addressed and that it is preparing and testing a mitigation.",
    "evidence": "Microsoft is aware that the vulnerability for which this CVE was assigned has not been addressed. We are working to prepare and test a complete mitigation.",
    "products": [
      {
        "name": {
          "value": ".NET",
          "evidence": "CVE-2026-70197 .NET Remote Code Execution Vulnerability"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-70197",
        "evidence": "CVE-2026-70197 .NET Remote Code Execution Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 24299,
  "published_at": "2026-10-19T14:00:00+00:00"
}