{"id":"CVE-2026-70197","aliases":[],"title":".NET and Visual Studio Remote Code Execution Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","products":[{"vendor":"Microsoft","name":".NET 10.0 installed on Linux","platforms":[],"versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.403","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-70197"},{"vendor":"Microsoft","name":".NET 10.0 installed on Mac OS","platforms":[],"versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.403","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-70197"},{"vendor":"Microsoft","name":".NET 10.0 installed on Windows","platforms":[],"versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.403","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-70197"},{"vendor":"Microsoft","name":".NET 10.0 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3","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-70197"}],"remediation":[],"description":"Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.","severity":"high","score":8.1,"published":"2026-10-13T19:00:26.869Z","modified":"2026-10-28T18:15:11.417Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70197"],"sources":[{"name":"CVE","id":"CVE-2026-70197","modified":"2026-10-28T18:15:11.417Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-70197"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":8.1}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T04:45:35.847Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}