Microsoft Windows Privilege Escalation Vulnerability

smss.exe debugging subsystem in Microsoft Windows does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or SYSTEM privileges.

Added to CISA’s Known Exploited Vulnerabilities catalog on 2022-03-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-03-24.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.