CVE-2026-42913

HIGH

Remote Desktop Client Remote Code Execution Vulnerability

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Remote Desktop Client Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42913

Scores

CVSS v3 7.5
EPSS 0.0043
EPSS Percentile 34.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-362 CWE-416
Status published
Products (8)
Microsoft/Remote Desktop client for Windows Desktop 1.2.0.0 - 1.2.7214.0
Microsoft/Windows 11 version 23H2 10.0.22631.0 - 10.0.22631.7219
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.8655
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.8655
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.2269
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.5256
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.32995
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.32995
Published Jun 09, 2026
Tracked Since Jun 09, 2026