CVE-2002-0367: Microsoft Windows Privilege Escalation Vulnerability
High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2022-03-03. EPSS: 4.9% chance of exploitation in the next 30 days.
smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or SYSTEM privileges by duplicating a handle to a privileged process, as demonstrated by DebPloit.
Affected products
Published 2002-06-25. Last modified 2026-06-16.