CVE-2026-21533β€”Microsoft Windows Improper Privilege Management Vulnerability

PUBLISHEDvulnerability record
2026-02-10 Β· last modified February 10, 2026

Metadata

CVE ID:
CVE-2026-21533
Project:
Microsoft
Product:
Windows
Date Added:
2026-02-10
Due Date:
2026-03-03
Last Updated:
February 10, 2026

Vulnerability Name

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

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.

Additional Notes

  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21533
  • https://nvd.nist.gov/vuln/detail/CVE-2026-21533

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