CVE-2025-0664: Trellix Endpoint Security HX Agent

Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days.

A locally authenticated, privileged user can craft a malicious OpenSSL configuration file, potentially leading the agent to load an arbitrary local library. This may impair endpoint defenses and allow the attacker to achieve code execution with SYSTEM-level privileges.

Affected products

• Trellix Trellix Endpoint Security HX Agent

Published 2025-07-21. Last modified 2026-06-17.