SB2025051371 - Remote code execution in Microsoft Scripting Engine 



SB2025051371 - Remote code execution in Microsoft Scripting Engine

Published: May 13, 2025 Updated: June 6, 2025

Security Bulletin ID SB2025051371
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Type confusion (CVE-ID: CVE-2025-30397)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error in Microsoft Scripting Engine. A remote attacker can trick the victim into opening a specially crafted URL, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.