{"id":"CVE-2026-102869","aliases":["EUVD-2026-100376","GHSA-ggh4-6vxj-j33c"],"status":"published","title":".NET and Visual Studio Elevation of Privilege Vulnerability","description":"Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00837,"percentile":0.58184,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-843"],"published":"2026-10-13T19:01:35Z","modified":"2026-11-10T20:46:24Z","products":[{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.6.2/4.7/4.7.1/4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8.1"},{"vendor":"microsoft","product":"microsoft .net framework 4.6.2/4.7/4.7.1/4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 4.8"},{"vendor":"microsoft","product":"microsoft .net framework 4.8.1"},{"vendor":"microsoft","product":"microsoft visual studio 2022 version 17.14"},{"vendor":"microsoft","product":"microsoft visual studio 2026 version 18.10"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102869","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102869"},{"url":"https://github.com/advisories/GHSA-ggh4-6vxj-j33c"}],"sources":{"cve":[{"id":"CVE-2026-102869","title":".NET and Visual Studio Elevation of Privilege Vulnerability","description":"Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T19:01:35.343Z","modified":"2026-11-10T20:46:24.964Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-843"],"updated_at":"2026-11-10T22:18:24.949973Z"}],"euvd":[{"id":"EUVD-2026-100376","description":"Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T19:01:35Z","modified":"2026-11-10T20:46:24Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:55.776344Z"}],"ghsa":[{"id":"GHSA-ggh4-6vxj-j33c","title":"Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an...","description":"Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T21:33:00Z","modified":"2026-10-13T21:33:01Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T15:13:12.661896Z"}],"nvd":[{"id":"CVE-2026-102869","description":"Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T19:17:51.483Z","modified":"2026-10-14T04:18:07.95Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}