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CVE-2026-21533

Microsoft Windows Improper Privilege Management Vulnerability

Description

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

Recommended action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA remediation due date for U.S. federal agencies: 3 Mar 2026.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.