CVE Vulnerabilities

CVE-2026-21533

Improper Privilege Management

Published: Feb 10, 2026 | Modified: Feb 11, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.

Weakness

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Affected Software

NameVendorStart VersionEnd Version
Windows_10_1607Microsoft*10.0.14393.8868 (excluding)
Windows_10_1809Microsoft*10.0.17763.8389 (excluding)
Windows_10_21h2Microsoft*10.0.19044.6937 (excluding)
Windows_10_22h2Microsoft*10.0.19045.6937 (excluding)
Windows_11_23h2Microsoft*10.0.22631.6649 (excluding)
Windows_11_24h2Microsoft*10.0.26100.7781 (excluding)
Windows_11_25h2Microsoft*10.0.26200.7781 (excluding)
Windows_server_2012Microsoft- (including)- (including)
Windows_server_2012Microsoftr2 (including)r2 (including)
Windows_server_2016Microsoft*10.0.14393.8868 (excluding)
Windows_server_2019Microsoft*10.0.17763.8389 (excluding)
Windows_server_2022Microsoft*10.0.20348.4711 (excluding)
Windows_server_2022_23h2Microsoft*10.0.25398.2149 (excluding)
Windows_server_2025Microsoft*10.0.26100.32313 (excluding)

Potential Mitigations

References