CVE-2026-42913 HIGH

CVE-2026-42913: Remote Desktop Client Remote Code Execution Vulnerability

Vendor Microsoft
Product Remote Desktop client for Windows Desktop
Weakness CWE-362
Published June 9, 2026
Last update June 15, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 15, 2026 Record updated