ZDI-CAN-26605: ZDI-26-142: Trend Micro Apex One Security Agent Cache Mechanism Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
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.
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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-71216.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-26605?
ZDI-CAN-26605 has a high severity rating, indicating a serious risk of privilege escalation.
How do I fix ZDI-CAN-26605?
To address ZDI-CAN-26605, ensure you apply the latest security updates provided by Trend Micro for Apex One Security Agent.
Who is affected by ZDI-CAN-26605?
ZDI-CAN-26605 affects installations of Trend Micro Apex One Security Agent that are not updated with recent patches.
What type of vulnerability is ZDI-CAN-26605?
ZDI-CAN-26605 is a local privilege escalation vulnerability that can be exploited by local attackers.
What actions should I take if I suspect exploitation of ZDI-CAN-26605?
If you suspect exploitation of ZDI-CAN-26605, immediately check for unauthorized access and apply security patches.