CVE-2026-42913: Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

PriorityP349high7.5CVSS 3.1

AVNACHPRNUIRSUCHIHAH

EPSS

0.43%

34.2th percentile

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

Affected

7 ranges

Vendor	Product	Version range	Fixed in
microsoft	remote_desktop_client_for_windows_desktop	>= 1.2.0.0 < 1.2.7214.0	1.2.7214.0
microsoft	windows_11_version_23h2	>= 10.0.22631.0 < 10.0.22631.7219	10.0.22631.7219
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.8655	10.0.26100.8655
microsoft	windows_11_version_25h2	>= 10.0.26200.0 < 10.0.26200.8655	10.0.26200.8655
microsoft	windows_11_version_26h1	>= 10.0.28000.0 < 10.0.28000.2269	10.0.28000.2269
microsoft	windows_server_2022	>= 10.0.20348.0 < 10.0.20348.5256	10.0.20348.5256
microsoft	windows_server_2025	>= 10.0.26100.0 < 10.0.26100.32995	10.0.26100.32995

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