VULNERABILITY INTELLIGENCE
CVE-2026-21533
CVSS score7.8 HIGH
EPSS probability4.18%
CISA KEVKnown exploited vulnerability
Published2026-02-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
Microsoft Windows Improper Privilege Management Vulnerability
Vendor / product: Microsoft / Windows
Description
Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
Weakness classification
- secure@microsoft.com: CWE-269
Primary references
- secure@microsoft.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource