Advisory Details

June 17th, 2025

Trend Micro Internet Security Platinum Host Service Link Following Local Privilege Escalation Vulnerability

ZDI-25-398
ZDI-CAN-25876

CVE ID CVE-2025-49384
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Internet Security
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Internet Security. 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 Platinum Host Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code 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.trendmicro.com/en-us/article/TMKA-11112
DISCLOSURE TIMELINE
  • 2024-12-06 - Vulnerability reported to vendor
  • 2025-06-17 - Coordinated public release of advisory
  • 2025-06-17 - Advisory Updated
CREDIT Vladislav Berghici of Trend Research
BACK TO ADVISORIES