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Advisory severityHigh8.8Microsoft Server

High [CVE-2026-80074] Remote Desktop Client Remote Code Execution Vulnerability

This high-severity Microsoft Server advisory covers CVE-2026-80074 affecting Remote Desktop client for Windows Desktop.

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

CVE-2026-80074 Source published Source updated

VulniPulse record published

CVE-2026-80074
Affected products & platforms
Microsoft ServerWindows Server
Open source advisory

Summary

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Affected product named by the advisory: Remote Desktop client for Windows Desktop.

Is CVE-2026-80074 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-80074 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-2026-80074?

Upgrade to a fixed release named by Microsoft:

  • 1.2.7279.0

Confirm against the vendor advisory before you patch.

Affected versions
  • Remote Desktop client for Windows Desktop 1.2.0.0 before 1.2.7279.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 1.2.7279.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 1.2.7279.0. 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 2 months ago·verify at source

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