CVE-2025-30397

high

Description

Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397

https://www.theregister.com/2025/05/14/patch_tuesday_may/

https://www.infosecurity-magazine.com/news/microsoft-seven-zerodays-may-patch/

https://securityaffairs.com/177856/security/u-s-cisa-adds-microsoft-windows-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.securityweek.com/zero-day-attacks-highlight-another-busy-microsoft-patch-tuesday/

https://www.cisa.gov/news-events/alerts/2025/05/13/cisa-adds-five-known-exploited-vulnerabilities-catalog

https://www.tenable.com/blog/microsofts-may-2025-patch-tuesday-addresses-71-cves-cve-2025-32701-cve-2025-32706

https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-mitigation-script

Details

Source: Mitre, NVD

Published: 2025-05-13

Updated: 2025-05-29

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H