CVE-2023-1388: Trellix Agent

High severity, CVSS 8.1. EPSS: 0.6% chance of exploitation in the next 30 days.

A heap-based overflow vulnerability in TA prior to version 5.7.9 allows a remote user to alter the page heap in the macmnsvc process memory block, resulting in the service becoming unavailable.

Affected products

• Trellix Agent: before 5.7.9 (fixed in 5.7.9)

Published 2023-06-07. Last modified 2026-06-17.