CVE-2025-30397 HIGH

CVE-2025-30397: Scripting Engine Memory Corruption Vulnerability

Vendor Microsoft
Product Windows 10 Version 1507
Weakness CWE-843
KEV Status Known Exploited
Published May 13, 2025
Last update February 26, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

What the vulnerability does

01Description

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

CISA mandated remediation

02CISA 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.

Key dates

03Disclosure timeline

May 13, 2025 CVE published
February 26, 2026 Record updated