CVE-2018-6234: Trend Micro Antivirus+

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An Out-of-Bounds Read Information Disclosure vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to disclose sensitive information on vulnerable installations due to a flaw within processing of IOCTL 0x222814 by the tmnciesc.sys driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Affected products

• Trend Micro Antivirus+: up to and including 12.0
• Trend Micro Internet Security: up to and including 12.0
• Trend Micro Maximum Security: up to and including 12.0
• Trend Micro Premium Security: up to and including 12.0

Published 2018-05-25. Last modified 2026-06-17.