CVE-2021-34535

Published: Aug 12, 2021Modified: Jul 7, 2025

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD (Secondary)

Description

Remote Desktop Client Remote Code Execution Vulnerability

Affected (16)

Products: Microsoft: Remote Desktop Client, Windows 10, Windows 7, Windows 8.1, Windows Rt 8.1, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019

9 products

Remote Desktop Client

Windows Server 2008

Windows Server 2012

Windows Server 2016

Windows Server 2019

Configuration A

16 vulnerable

Vulnerable Software	Affected Versions
Microsoft Remote Desktop Client	All versions
Microsoft Windows 10	All versions
Microsoft Windows 10	Version 1607
Microsoft Windows 10	Version 1809
Microsoft Windows 10	Version 1909
Microsoft Windows 10	Version 2004
Microsoft Windows 10	Version 20h2
Microsoft Windows 10	Version 21h1
Microsoft Windows 7	All versions
Microsoft Windows 8.1	All versions
Microsoft Windows Rt 8.1	All versions
Microsoft Windows Server 2008	Version r2 sp1
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	All versions
Microsoft Windows Server 2019	All versions

References (2)

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

Source: secure@microsoft.com

PatchVendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

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