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Advisory severityHigh7.8Red Hat Linux

High [CVE-2026-50646] .NET Framework: Local Code Execution via Protection Mechanism Failure

This high-severity Red Hat Linux advisory covers CVE-2026-50646 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-50646 Source published Source updated

VulniPulse record published Record updated

CVE-2026-50646
Affected products & platforms
Red Hat LinuxRed Hat Enterprise Linux
Open source advisory

Summary

Protection mechanism failure in.NET Framework allows an unauthorized attacker to execute code locally. Successful exploitation of this vulnerability can lead to a complete compromise of the affected system.

Red Hat severity: Important — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-807.

Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Hardened Images.

Red Hat lists Red Hat Hardened Images; Red Hat OpenShift Dev Spaces as not affected.

Red Hat fixing advisory: RHSA-2026:41893, RHSA-2026:41895, RHSA-2026:41897, RHSA-2026:58566, RHSA-2026:58567, RHSA-2026:41899, RHSA-2026:41900, RHSA-2026:41901, RHSA-2026:41894, RHSA-2026:41896, RHSA-2026:41898, RHSA-2026:58568, RHSA-2026:58569, RHSA-2026:58570, RHSA-2026:27171, RHSA-2026:42145.

Affected products named by the advisory: Red Hat package: dotnet8.0; Red Hat package: dotnet9.0; Red Hat package: dotnet10.0.

Is CVE-2026-50646 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-50646 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-50646?

Upgrade to a fixed release named by Red Hat:

  • dotnet8.0-0:8.0.129-1.el10_2
  • dotnet9.0-0:9.0.119-1.el10_2
  • dotnet10.0-0:10.0.110-1.el10_2
  • dotnet8.0-0:8.0.130-1.el10_0
  • dotnet9.0-0:9.0.120-1.el10_0
  • dotnet9.0-0:9.0.119-1.el8_10
  • dotnet10.0-0:10.0.110-1.el8_10
  • dotnet8.0-0:8.0.129-1.el8_10
  • dotnet8.0-0:8.0.129-1.el9_8
  • dotnet9.0-0:9.0.119-1.el9_8
  • dotnet10.0-0:10.0.110-1.el9_8
  • dotnet8.0-0:8.0.130-1.el9_4

21 more fixed releases are listed below.

Confirm against the vendor advisory before you patch.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.

Official advisory · high-confidence parse· fetched 5 days ago·verify at source

Fixed versions
  • dotnet8.0-0:8.0.129-1.el10_2
  • dotnet9.0-0:9.0.119-1.el10_2
  • dotnet10.0-0:10.0.110-1.el10_2
  • dotnet8.0-0:8.0.130-1.el10_0
  • dotnet9.0-0:9.0.120-1.el10_0
  • dotnet9.0-0:9.0.119-1.el8_10
  • dotnet10.0-0:10.0.110-1.el8_10
  • dotnet8.0-0:8.0.129-1.el8_10
  • dotnet8.0-0:8.0.129-1.el9_8
  • dotnet9.0-0:9.0.119-1.el9_8
  • dotnet10.0-0:10.0.110-1.el9_8
  • dotnet8.0-0:8.0.130-1.el9_4
  • dotnet8.0-0:8.0.130-1.el9_6
  • dotnet9.0-0:9.0.120-1.el9_6
  • dotnet9-0-main-9.0.118-1.hum1
  • dotnet8-0-main-8.0.129-2.1.hum1
  • dotnet8-0-main-8.0.29-2.1.hum1
  • RHSA-2026:41893
  • RHSA-2026:41895
  • RHSA-2026:41897
  • RHSA-2026:58566
  • RHSA-2026:58567
  • RHSA-2026:41899
  • RHSA-2026:41900
  • RHSA-2026:41901
  • RHSA-2026:41894
  • RHSA-2026:41896
  • RHSA-2026:41898
  • RHSA-2026:58568
  • RHSA-2026:58569
  • RHSA-2026:58570
  • RHSA-2026:27171
  • RHSA-2026:42145

Official advisory · high-confidence parse· fetched 5 days ago·verify at source

Mitigation

Upgrade to a fixed release: dotnet8.0-0:8.0.129-1.el10_2, dotnet9.0-0:9.0.119-1.el10_2, dotnet10.0-0:10.0.110-1.el10_2, dotnet8.0-0:8.0.130-1.el10_0, dotnet9.0-0:9.0.120-1.el10_0, dotnet9.0-0:9.0.119-1.el8_10. That is the remediation for this advisory.

The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.

Official advisory · high-confidence parse· fetched 5 days ago·verify at source

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