CVE-2021-34535
Remote Desktop Client Remote Code Execution Vulnerability
HIGH
8.8
CVSS Score
Published: August 12, 2021 at 06:12 PM UTC
Updated: August 10, 2026 at 04:17 PM UTC
17 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
Using Windows 10 Version 1809 by Microsoft?
Get instant alerts when new vulnerabilities affect Windows 10 Version 1809 - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 22%
Description
Remote Desktop Client Remote Code Execution Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
1.2.0.0 ≤ v < publication
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
1.2.0.0 ≤ v < publication1.2.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.10240.0 ≤ v < 10.0.10240.1902210.0.10240.0
Affected range stops below 10.0.10240.19022, so it looks safe — our inference, not a vendor statement
10.0.14393.0 ≤ v < 10.0.14393.458310.0.14393.0
Affected range stops below 10.0.14393.4583, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.17763.211410.0.0 ≤ v < 10.0.19041.116510.0.17763.0 ≤ v < 10.0.17763.211410.0.010.0.17763.0
Affected range stops below 10.0.17763.2114, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19041.1165, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.18363.173410.0.0
Affected range stops below 10.0.18363.1734, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.7601.25685, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < 6.3.9600.200946.3.0
Affected range stops below 6.3.9600.20094, so it looks safe — our inference, not a vendor statement
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
PatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34535Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34535CVSS
8.8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card