{"id":"CVE-2026-32175","aliases":["BIT-dotnet-2026-32175","BIT-dotnet-sdk-2026-32175","GHSA-rg75-q538-x34v"],"url":"https://o3.security/vulnerability/CVE-2026-32175","summary":"Microsoft Security Advisory CVE-2026-32175 – .NET Core Tampering Vulnerability","details":"A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories.\nTo exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system.\nThe security update fixes the vulnerability by ensuring .NET Core properly handles files.","published":"2026-05-12T18:16:58.737Z","modified":"2026-07-08T08:12:26.626377983Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"epss":{"score":0.00711,"percentile":0.50536,"asOf":"2026-08-15"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-arm","fixedVersion":"8.0.27"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-arm","fixedVersion":"9.0.16"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-arm","fixedVersion":"10.0.8"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-arm64","fixedVersion":"8.0.27"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-arm64","fixedVersion":"9.0.16"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-arm64","fixedVersion":"10.0.8"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-x64","fixedVersion":"8.0.27"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-x64","fixedVersion":"9.0.16"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-x64","fixedVersion":"10.0.8"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-x86","fixedVersion":"8.0.27"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-x86","fixedVersion":"9.0.16"},{"ecosystem":"NuGet","name":"Microsoft.NetCore.App.Runtime.win-x86","fixedVersion":"10.0.8"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32175"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T08:12:26.626377983Z"}}