Microsoft Windows Scripting Engine Memory Corruption Vulnerability

Added to KEV
2024-08-13
Federal due date
2024-09-03
Vendor
Microsoft
Product
Windows
EPSS
96.8th percentile (score 0.302, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2024-38178

CISA short description

Microsoft Windows Scripting Engine contains a memory corruption vulnerability that allows unauthenticated attacker to initiate remote code execution via a specially crafted URL.

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.