{"id":"CVE-2026-70161","aliases":["ALPINE-CVE-2026-70161","EUVD-2026-99692","UBUNTU-CVE-2026-70161"],"status":"published","title":".NET Elevation of Privilege Vulnerability","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/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":0.0049,"percentile":0.42627,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2026-10-13T19:00:26Z","modified":"2026-11-10T20:39:40Z","fixes":[{"ecosystem":"Alpine:v3.23","package":"dotnet10-runtime","fixed_in":["10.0.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"dotnet10-runtime","fixed_in":["10.0.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"dotnet9-runtime","fixed_in":["9.0.21-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"dotnet9-runtime","fixed_in":["9.0.21-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"dotnet9-runtime","fixed_in":["9.0.21-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.23","package":"dotnet10-runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"dotnet10-runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"dotnet9-runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.21-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"dotnet9-runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.21-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"dotnet9-runtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.21-r0"}]}]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"dotnet7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.105-0ubuntu1~22.04.1","7.0.107-0ubuntu1~22.04.1","7.0.108-0ubuntu1~22.04.1","7.0.109-0ubuntu1~22.04.1","7.0.110-0ubuntu1~22.04.1","7.0.111-0ubuntu1~22.04.1","7.0.112-0ubuntu1~22.04.1","7.0.113-0ubuntu1~22.04.1","7.0.114-0ubuntu1~22.04.1","7.0.115-0ubuntu1~22.04.1","7.0.116-0ubuntu1~22.04.1","7.0.117-0ubuntu1~22.04.1","7.0.117-0ubuntu1~22.04.2","7.0.119-0ubuntu1~22.04.1"]}],"products":[{"vendor":"microsoft","product":".net 10.0 runtime"},{"vendor":"microsoft","product":".net 11.0 runtime"},{"vendor":"microsoft","product":".net 9.0 runtime"},{"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-2026-70161","tags":["vendor-advisory","patch","report"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-70161","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-70161","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-70161","tags":["report"]},{"url":"https://devblogs.microsoft.com/dotnet/dotnet-and-dotnet-framework-october-2026-servicing-updates","tags":["report"]},{"url":"https://github.com/dotnet/announcements/issues/453","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-70161","title":".NET Elevation of Privilege Vulnerability","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:00:26.144Z","modified":"2026-11-10T20:39:40.062Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-99692","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:00:26Z","modified":"2026-11-10T20:39:40Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:59.037992Z"}],"nvd":[{"id":"CVE-2026-70161","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:19:29.683Z","modified":"2026-10-22T22:18:32.53Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:57.603498Z"}],"osv":[{"id":"ALPINE-CVE-2026-70161","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:19:29.683Z","modified":"2026-11-03T06:33:03.921304188Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T07:15:37.282377Z"},{"id":"UBUNTU-CVE-2026-70161","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-10-13T19:19:00Z","modified":"2026-10-28T17:40:46Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:57.159276Z"}]}}