CVE-2018-6235: Trend Micro Antivirus+

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An Out-of-Bounds write privilege escalation vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to escalate privileges 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.