CVE-2026-45490

Summary

Improper authorization in .NET allows an authorized attacker to elevate privileges locally.

Affected Software

Weaknesses

• CWE-285: CWE-285: Improper Authorization

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

dotnet: .NET SDK workload elevate: arbitrary file creation/truncation via LogFile named pipe.

Additional References

• https://access.redhat.com/security/cve/CVE-2026-45490
• https://bugzilla.redhat.com/show_bug.cgi?id=2487184
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45490.json

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45490

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