{"id":"CVE-2025-55247","details":"Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.","aliases":["BIT-dotnet-2025-55247","BIT-dotnet-sdk-2025-55247","GHSA-w3q9-fxm7-j8fq"],"modified":"2026-08-18T17:53:42.828856Z","published":"2025-10-14T17:15:44.623Z","related":["ALSA-2025:18148","ALSA-2025:18149","ALSA-2025:18150","ALSA-2025:18151","ALSA-2025:18152","ALSA-2025:18153"],"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55247"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/core","events":[{"introduced":"d78b3180414d35d6c7d136db753474e2ae2b33df"},{"fixed":"7bb301d3548818d11991553716a02092372d8e2d"},{"introduced":"e18becd6171b8eb0eb4ec7ea8a0280cacfcee36b"},{"fixed":"7bb301d3548818d11991553716a02092372d8e2d"}],"database_specific":{"extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.0.21"},{"introduced":"9.0.0"},{"fixed":"9.0.10"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"}}],"versions":["v9.0.9","v8.0.20","v10.0.0-rc.1","v10.0.0-preview.7","v9.0.8","v8.0.19","v10.0.0-preview.6","v9.0.7","v8.0.18","v9.0.6","v8.0.17","v10.0.0-preview.5","v9.0.5","v8.0.16","v10.0.0-preview.4","v10.0.0-preview.3","v9.0.4","v8.0.15","v10.0.0-preview.2","v9.0.3","v8.0.14","v10.0.0-preview.1","v9.0.2","v8.0.13","v9.0.1","v8.0.12","v9.0.0","v8.0.11","v6.0.36"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-55247.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"}]}