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Microsoft Security Advisory CVE-2026-50659 – .NET Spoofing Vulnerability
Microsoft Security Advisory CVE-2026-50659 – .NET Spoofing Vulnerability
Affected packages
- Microsoft.NetCore.App.Runtime.linux-arm— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.linux-arm64— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.linux-musl-arm— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.linux-musl-arm64— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.linux-musl-x64— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.linux-x64— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.osx-arm64— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.osx-x64— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.win-arm— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.win-arm64— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.win-x64— 10.0.0 → 10.0.10
- Microsoft.NetCore.App.Runtime.win-x86— 10.0.0 → 10.0.10
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/dotnet/runtime/security/advisories/GHSA-74jp-vm22-8q8x
- https://nvd.nist.gov/vuln/detail/CVE-2026-50659
- https://github.com/dotnet/announcements/issues/423
- https://github.com/dotnet/runtime/issues/130716
- https://github.com/dotnet/runtime
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50659
Structured record: https://osv.dev/vulnerability/GHSA-74jp-vm22-8q8x
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