{"id":"CVE-2025-55247","aliases":["BIT-dotnet-2025-55247","BIT-dotnet-sdk-2025-55247","GHSA-w3q9-fxm7-j8fq"],"url":"https://o3.security/vulnerability/CVE-2025-55247","summary":"Microsoft Security Advisory CVE-2025-55247 | .NET Denial of Service Vulnerability","details":"Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.","published":"2025-10-14T17:15:44.623Z","modified":"2026-04-10T05:29:53.277064Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.00608,"percentile":0.47584,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"18.0.0-preview-25476-107"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.14.28"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.12.50"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.11.48"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.10.46"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.8.43"},{"ecosystem":"NuGet","name":"Microsoft.Build","fixedVersion":"18.0.0-preview-25476-107"},{"ecosystem":"NuGet","name":"Microsoft.Build","fixedVersion":"17.14.28"},{"ecosystem":"NuGet","name":"Microsoft.Build","fixedVersion":"17.12.50"},{"ecosystem":"NuGet","name":"Microsoft.Build","fixedVersion":"17.11.48"},{"ecosystem":"NuGet","name":"Microsoft.Build","fixedVersion":"17.10.46"},{"ecosystem":"NuGet","name":"Microsoft.Build","fixedVersion":"17.8.43"},{"ecosystem":"NuGet","name":"Microsoft.Build.Utilities.Core","fixedVersion":"18.0.0-preview-25476-107"},{"ecosystem":"NuGet","name":"Microsoft.Build.Utilities.Core","fixedVersion":"17.14.28"},{"ecosystem":"NuGet","name":"Microsoft.Build.Utilities.Core","fixedVersion":"17.12.50"},{"ecosystem":"NuGet","name":"Microsoft.Build.Utilities.Core","fixedVersion":"17.11.48"},{"ecosystem":"NuGet","name":"Microsoft.Build.Utilities.Core","fixedVersion":"17.10.46"},{"ecosystem":"NuGet","name":"Microsoft.Build.Utilities.Core","fixedVersion":"17.8.43"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55247"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T05:29:53.277064Z"}}