CVE-2006-1380: Trend Micro Interscan Messaging Security Suite

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

ISNTSmtp directory in Trend Micro InterScan Messaging Security Suite (IMSS) 5.5 build 1183 and possibly other versions before 5.7.0.1121, uses insecure DACLs for critical files, which allows local users to gain SYSTEM privileges by modifying ISNTSysMonitor.exe.

Affected products

• Trend Micro Interscan Messaging Security Suite: version 5.5 only

Published 2006-03-24. Last modified 2026-06-16.