SB2025011524 - Privilege escalation in Microsoft Windows NTLM V1



SB2025011524 - Privilege escalation in Microsoft Windows NTLM V1

Published: January 15, 2025

Security Bulletin ID SB2025011524
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect Implementation of Authentication Algorithm (CVE-ID: CVE-2025-21311)

The vulnerability allows a remote attacker to escalate privileges.

The vulnerability exists due to incorrect implementation of authentication algorithm in Windows NTLM V1. A remote attacker can gain elevated privileges on the target system.


Remediation

Install update from vendor's website.