{"action":"Upgrade Microsoft.NetCore.App.Runtime.win-arm64 to 9.0.1 or later.","affected":[{"fixed":"9.0.1","introduced":"9.0.0"}],"component":"Microsoft.NetCore.App.Runtime.win-arm64","cve_ids":["CVE-2025-21171"],"ecosystem":"NuGet","epss":0.01722,"exploited":false,"fixed_versions":["9.0.1"],"ghsa_id":"GHSA-p54p-p3qm-8vgj","id":"tcs_01M5N8VTHXTQ21CY0PR6CWT47G","modified_at":"2026-09-10T03:50:24.698865143Z","published_at":"2025-01-14T19:43:16Z","references":["https://osv.dev/vulnerability/GHSA-p54p-p3qm-8vgj","https://github.com/dotnet/runtime/security/advisories/GHSA-p54p-p3qm-8vgj","https://nvd.nist.gov/vuln/detail/CVE-2025-21171","https://github.com/dotnet/runtime","https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21171"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-p54p-p3qm-8vgj#NuGet/Microsoft.NetCore.App.Runtime.win-arm64","url":"https://osv.dev/vulnerability/GHSA-p54p-p3qm-8vgj"}],"summary":"Microsoft Security Advisory CVE-2025-21171 | .NET Remote Code Execution Vulnerability"}