SB2025061096 - Remote code execution in Microsoft Windows Schannel



SB2025061096 - Remote code execution in Microsoft Windows Schannel

Published: June 10, 2025

Security Bulletin ID SB2025061096
CSH 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 vulnerability.


1) Memory leak (CVE-ID: CVE-2025-29828)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


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

The vulnerability exists due memory leak in Windows Schannel. A remote attacker can force the application to leak memory and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.