CVE-2018-18331: Trend Micro OfficeScan

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

A Trend Micro OfficeScan XG weak file permissions vulnerability on a particular folder for a particular group may allow an attacker to alter the files, which could lead to other exploits on vulnerable installations.

Affected products

• Trend Micro OfficeScan: version xg only

Published 2018-12-21. Last modified 2026-06-17.