May 13, 2025 · Applied Cybernetics Group
CVE-2025-30397 — Microsoft Windows
Microsoft Windows Scripting Engine Type Confusion Vulnerability
- Added to KEV
2025-05-13- Federal due date
2025-06-03- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 97.3th percentile (score 0.212, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- ATT&CK
- T1059 , T1203 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-30397
CISA short description
Microsoft Windows Scripting Engine contains a type confusion vulnerability that allows an unauthorized attacker to execute code over a network via a specially crafted URL.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.