known ransomware use

Microsoft Windows Print Spooler Privilege Escalation Vulnerability

Added to KEV
2022-11-08
Federal due date
2022-12-09
Vendor
Microsoft
Product
Windows
EPSS
85.2th percentile (score 0.023, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2022-41073

CISA short description

Microsoft Windows Print Spooler contains an unspecified vulnerability that allows an attacker to gain SYSTEM-level 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.