SB2025070863 - Remote code execution in Microsoft Windows KDC Proxy Service (KPSSVC) 



SB2025070863 - Remote code execution in Microsoft Windows KDC Proxy Service (KPSSVC)

Published: July 8, 2025

Security Bulletin ID SB2025070863
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-2025-49735)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Windows KDC Proxy Service (KPSSVC). A remote attacker can win a race condition and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.