Trend AI Cleaner One Pro Link Following Arbitrary File Deletion Vulnerability
Vulnerability Details
This vulnerability allows local attackers to delete arbitrary files on affected installations of Trend Micro Cleaner One Pro. 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 Junk Files Cleanup functionality. By creating a junction, an attacker can abuse the service to delete arbitrary files. An attacker can leverage this vulnerability to delete files in the context of SYSTEM.
Additional Details
Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://helpcenter.trendlife.com/en-us/article/TMKA-13319
Disclosure Timeline
- 2026-03-31 - Vulnerability reported to vendor
- 2026-07-29 - Coordinated public release of advisory
- 2026-07-29 - Advisory Updated
Credit
Zeze and Sharkkcode with TeamT5
