SB2025011546 - Remote code execution in Microsoft SPNEGO Extended Negotiation (NEGOEX) Security Mechanism 



SB2025011546 - Remote code execution in Microsoft SPNEGO Extended Negotiation (NEGOEX) Security Mechanism

Published: January 15, 2025 Updated: March 10, 2025

Security Bulletin ID SB2025011546
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) Use-after-free (CVE-ID: CVE-2025-21295)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in SPNEGO Extended Negotiation (NEGOEX) Security Mechanism. A remote attacker can execute arbitrary code on the target sytem.


Remediation

Install update from vendor's website.