{"id":"CVE-2025-26646","aliases":["BIT-dotnet-2025-26646","BIT-dotnet-sdk-2025-26646","GHSA-h4j7-5rxr-p4wc"],"url":"https://o3.security/vulnerability/CVE-2025-26646","summary":"Microsoft.Build.Tasks.Core .NET Spoofing Vulnerability","details":"External control of file name or path in .NET, Visual Studio, and Build Tools for Visual Studio allows an authorized attacker to perform spoofing over a network.","published":"2025-05-13T22:15:20.493Z","modified":"2026-04-10T05:23:38.270852Z","cvss":{"score":8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"15.9.30"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"16.11.6"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.8.29"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.10.29"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.12.36"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.13.26"},{"ecosystem":"NuGet","name":"Microsoft.Build.Tasks.Core","fixedVersion":"17.14.8"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26646"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T05:23:38.270852Z"}}