CVE-2025-71216: Trend Micro Apex One Security Agent Cache Mechanism Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
A time-of-check time-of-use vulnerability in the Trend Micro Apex One (mac) agent cache mechanism could allow a local attacker to escalate privileges on 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. The following information is provided as informational only for CVE references, as these were addressed already via ActiveUpdate/SaaS updates in mid to late 2025 (SaaS 2507 & 2005 Yearly Release).
Other sources
This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One Security Agent. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the cache mechanism. The issue results from the lack of proper cache key checking during signature verification. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-71216?
CVE-2025-71216 has a high severity rating of 7.8.
How do I fix CVE-2025-71216?
To remediate CVE-2025-71216, update the Trend Micro Apex One (Mac) agent to the latest version available from the vendor.
What type of vulnerability is CVE-2025-71216?
CVE-2025-71216 is a time-of-check time-of-use vulnerability that can lead to local privilege escalation.
Who can be affected by CVE-2025-71216?
Local attackers with low-privileged access on a system running the Trend Micro Apex One agent can exploit CVE-2025-71216.
What software is impacted by CVE-2025-71216?
CVE-2025-71216 affects the Trend Micro Apex One (Mac) Agent and Trend Micro Apex One.