ZDI-26-141: Trend Micro Apex One Security Agent iCore Service Signature Verification 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 iCore service. The issue results from the lack of proper file path 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-2025-71215.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-141?
The severity of ZDI-26-141 is critical due to its potential for local privilege escalation.
How do I fix ZDI-26-141?
To fix ZDI-26-141, update your Trend Micro Apex One Security Agent to the latest version provided by the vendor.
Who is affected by ZDI-26-141?
ZDI-26-141 affects installations of Trend Micro Apex One Security Agent.
What type of vulnerability is ZDI-26-141?
ZDI-26-141 is classified as a local privilege escalation vulnerability.
Can ZDI-26-141 be exploited remotely?
No, ZDI-26-141 requires local access for exploitation.