CVE-2026-42913

No fix known EPSS <1%CVSS 7.5

Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Published 2026-06-09 · CVE record · OSV

Products: Microsoft Remote Desktop client for Windows Desktop, Microsoft Windows 11 Version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows Server 2022, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation)