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CVE Number Vulnerability Product Severity Date
CVE-2021-34535 Remote Desktop Client Remote Code Execution Vulnerability Windows 10 Critical 18-08-2021

Technical Information

Brief overview of the risk:

This is a Remote Code Execution vulnerability in the Remote Desktop Client. An attacker can exploit this vulnerability in two different ways. First method is when a victim connects to a remote RDP server using a vulnerable RDP client. Second method is when a vulnerable Hyper-V host makes a connection to a malicious VM, this could achieve guest-to-host RCE. An attacker who successfully exploited the vulnerability could execute arbitrary code on the host machine in the context of the logged on user.

Further information on this vulnerability is available at : CVE-2021-34535

Affected Software

Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows Server 2019
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 1909 for ARM64-based Systems
Remote Desktop client for Windows Desktop
Windows 10 Version 21H1 for x64-based Systems
Windows 10 Version 21H1 for ARM64-based Systems
Windows 10 Version 21H1 for 32-bit Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows Server 2016
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2012
Windows Server 2012 R2