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CVE-2026-21533 Microsoft Windows

Microsoft Windows Remote Desktop Services contains an improper privilege management vulnerability that could allow an authorized attacker to elevate privileges locally.

CVSS
not scored

CWE-269

On CISA’s exploited list

Microsoft Windows Improper Privilege Management Vulnerability

Added
2026-02-10
Federal patch deadline
2026-03-03
Ransomware use
not known