Vulnerabilities
TrendAI Apex One Local Privilege Escalation via Incomplete Cleanup (CVE-2025-71414)
A local privilege escalation flaw in TrendAI Apex One Security Agent allows attackers who can run low‑privileged code to gain SYSTEM rights by exploiting improper cleanup in the TmccCore component. The CVE‑2025‑71414 vulnerability has a CVSS score of 7.8. Defenders should patch immediately and monitor for suspicious process termination events.
What happened
TrendAI Apex One Security Agent has a local privilege escalation flaw (CVE‑2025‑71414) that allows an attacker who can run low‑privileged code to gain root privileges by exploiting an improper cleanup in the TmccCore component.
Impact
The vulnerability can be leveraged to execute arbitrary code as SYSTEM on affected installations. CVSS score 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). Only systems with the vulnerable agent component are affected; no remote exploitation vector is known.
What to do
- Apply the vendor‑supplied patch (see TrendMicro support article KA‑0022458) as soon as possible.
- Verify that the Apex One agent version is at or above the patched release.
- Restrict local user privileges and monitor for suspicious process termination events.
- Consider disabling the TmccCore component if not required, or isolate the agent in a sandboxed environment.
Monitoring & Mitigation
Enable logging for process creation and termination, and look for repeated attempts to terminate TmccCore. Use endpoint detection to flag privilege‑escalation patterns.