Is CVE-2025-30397 actively exploited?

CVE-2025-30397 has no public evidence of in-the-wild exploitation as of 2025-10-27.

What is the CVSS score for CVE-2025-30397?

CVE-2025-30397 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2025-30397?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-30397.

Fix CVE-2025-30397 - HIGH microsoft windows 10 1507

Q: Which products are affected by CVE-2025-30397?

18 products: microsoft windows 10 1507, microsoft windows 10 1607, microsoft windows 10 1809, microsoft windows 10 1809, microsoft windows 10 21h2, and 13 more.

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: high
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-843

Metadata

Primary Vendor: MICROSOFT
Published: 5/13/2025
Last Modified: 10/27/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : windows_10_1507microsoft : windows_10_1607microsoft : windows_10_1809microsoft : windows_10_1809microsoft : windows_10_21h2microsoft : windows_10_22h2microsoft : windows_11_22h2microsoft : windows_11_23h2microsoft : windows_11_24h2microsoft : windows_server_2008microsoft : windows_server_2008microsoft : windows_server_2012microsoft : windows_server_2012microsoft : windows_server_2016microsoft : windows_server_2019microsoft : windows_server_2022microsoft : windows_server_2022_23h2microsoft : windows_server_2025

Remediation Guidance

Executive Summary

View on NIST NVD