SB2025021188 - NTLMv2 hash disclosure in Microsoft Windows MSHTML component 



SB2025021188 - NTLMv2 hash disclosure in Microsoft Windows MSHTML component

Published: February 11, 2025 Updated: March 10, 2025

Security Bulletin ID SB2025021188
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2025-21377)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to NTLMv2 hash disclosure within the MSHTML component. A remote attacker can trick the victim into clicking on a specially crafted link and obtain the NTLMv2 hash.


Remediation

Install update from vendor's website.