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CVE-2025-30397: Microsoft Windows Scripting Engine Type Confusion Vulnerability
Microsoft Windows · in CISA KEV since 2025-05-13
2025-05-13added to KEV
2025-06-03federal remediation due date
26.83%EPSS exploit probability (30 days) 97.9th percentile
7.5 HIGHCVSS 3.1
Unknownknown ransomware use
0days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-843 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2025-05-13 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2025-30397.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.