CVE-2025-49154 Missing authorization in Trend Micro Apex One

High 8.7 Published 17 Jun 2025 Updated 17 Jun 2025

A local attacker with low-privileged code execution can overwrite memory-mapped files, compromising security and stability of Trend Micro endpoint products.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-49154?

CVE-2025-49154 is a high-severity missing authorization vulnerability in Trendmicro Apex One, published on 17 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An insecure access control vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security could allow a local attacker to overwrite key memory-mapped files which could then have severe consequences for the security and stability of affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Weakness: CWE-284

Which versions are affected by CVE-2025-49154?

It affects 3 products.

Products include Trendmicro Apex One, Trendmicro Worry-Free Business Security, Trendmicro Worry-Free Business Security Services.

How do I fix CVE-2025-49154?

No fix has been published for CVE-2025-49154 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-49154 being exploited?

There is no known exploitation of CVE-2025-49154 in the wild and no public exploit code.

All Trendmicro Apex One vulnerabilities

Sources

Also known as GHSA-p8h4-m3x4-3cgw.