Applied Cybernetics Group
Threat intel → detection pipeline
Tuesday, July 14, 2026
Data as of 20:11 UTC

Microsoft Windows Print Spooler Privilege Escalation Vulnerability

Added to KEV
2024-04-23
Federal due date
2024-05-14
Vendor
Microsoft
Product
Windows
EPSS
96.3th percentile (score 0.149, as of 2026-07-13)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2022-38028

CISA short description

Microsoft Windows Print Spooler service contains a privilege escalation vulnerability. An attacker may modify a JavaScript constraints file and execute it with SYSTEM-level permissions.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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.