Threat intelligence report · CISA KEV

CVE-2026-21533: Microsoft Windows Improper Privilege Management Vulnerability

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

· high severity · unattributed attribution

Evidence and provenance

Original source
CISA KEV report ↗
Published
2026-02-10T00:00:00Z
Confidence basis
No actor match
Record ID
b18284ae085b366f132f

Vulnerabilities

CVE-2026-21533

Use and citation

Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.