High [CVE-2026-80077] Remote Desktop Client Remote Code Execution Vulnerability
This high-severity Microsoft Server advisory covers CVE-2026-80077 affecting Remote Desktop client for Windows Desktop.
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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.
- Remote Desktop client for Windows Desktop 1.2.0.0 before 1.2.7279.0
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
- 1.2.7279.0
Official advisory · high-confidence parse· fetched 3 hours 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 additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
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