Microsoft Windows Scripting Languages Remote Code Execution Vulnerability

Added to KEV
2022-11-08
Federal due date
2022-12-09
Vendor
Microsoft
Product
Windows
EPSS
97.4th percentile (score 0.392, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2022-41128

CISA short description

Microsoft Windows contains an unspecified vulnerability in the JScript9 scripting language which allows for remote code execution.

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.