CVE-2026-21533

Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.

  • Published Feb 10, 2026
  • CVSS 7.8 high
  • 4.1% chance of exploitation in the next 30 days (EPSS)
  • In CISA's Known Exploited Vulnerabilities catalog

Affected software

CVE-2026-21533 at the National Vulnerability Database