Microsoft Windows Privilege Escalation Vulnerability

Added to KEV
2022-03-03
Federal due date
2022-03-24
Vendor
Microsoft
Product
Windows
EPSS
79.7th percentile (score 0.012, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2002-0367

CISA short description

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.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.