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Microsoft Security Advisory CVE-2026-62899 – .NET Security Feature Bypass Vulnerability

Microsoft Security Advisory CVE-2026-62899 – .NET Security Feature Bypass Vulnerability

CVE-2026-62899Published 1 day agoUpdated 1 day agoSource: OSV

Affected packages

  • Microsoft.NETCore.App.Runtime.linux-arm— 10.0.0 → 10.0.11
  • Microsoft.NETCore.App.Runtime.linux-arm64— 10.0.0 → 10.0.11
  • Microsoft.NETCore.App.Runtime.linux-musl-arm— 10.0.0 → 10.0.11
  • Microsoft.NETCore.App.Runtime.linux-musl-arm64— 10.0.0 → 10.0.11
  • Microsoft.NETCore.App.Runtime.linux-musl-x64— 10.0.0 → 10.0.11
  • Microsoft.NETCore.App.Runtime.linux-x64— 10.0.0 → 10.0.11
  • Microsoft.NETCore.App.Runtime.osx-arm64— 10.0.0 → 10.0.11
  • Microsoft.NETCore.App.Runtime.osx-x64— 10.0.0 → 10.0.11

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

Structured record: https://osv.dev/vulnerability/GHSA-r6mh-95jw-g7qg

Recommended response stack

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Microsoft Security Advisory CVE-2026-62899 – .NET Security Feature Bypass Vulnerability | HackTribune