CVE-2025-30397

7.5 HIGH CISA KEV - Actively Exploited

Published: May 13, 2025 Modified: October 27, 2025

Description

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

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: secure@microsoft.com

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Mitigation Third Party Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30397

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

21.3%

95th percentile

Exploitation Status

Actively Exploited

Remediation due: 2025-06-03

Weaknesses (CWE)

CWE-843

Affected Vendors

microsoft

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