CVE-2021-44024: Trend Micro Apex One

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A link following denial-of-service vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. Please note: 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 Apex One: version 2019 only
• Trend Micro Worry-Free Business Security: version 10.0 only
• Trend Micro Worry-Free Business Security Services: affected versions not specified

Published 2022-01-10. Last modified 2026-06-17.