CVE-2021-34535

Remote Desktop Client Remote Code Execution Vulnerability

Score

CVSS 3.1 8.8 High

Status

Modified - secure@microsoft.com

Published

2021-08-12

Last modified

2026-08-10

Affected products

• Remote Desktop (Microsoft)
• Remote Desktop Client (Microsoft)
• Windows 10 (Microsoft)
• Windows 10 1507 (Microsoft)
• Windows 10 1607 (Microsoft)
• Windows 10 1809 (Microsoft)
• Windows 10 1909 (Microsoft)
• Windows 10 20H2 (Microsoft)
• Windows 10 21H1 (Microsoft)
• Windows 7 (Microsoft)
• Windows 8.1 (Microsoft)
• Windows Rt 8.1 (Microsoft)
• Windows Server 2008 (Microsoft)
• Windows Server 2008 R2 (Microsoft)
• Windows Server 2012 (Microsoft)
• Windows Server 2012 R2 (Microsoft)
• Windows Server 2016 (Microsoft)
• Windows Server 2019 (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34535
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34535