Advisory Details

March 3rd, 2026

Trend Micro Apex One Virus Scan Engine Link Following Local Privilege Escalation Vulnerability

ZDI-26-138
ZDI-CAN-24972

CVE ID CVE-2025-71212
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 Apex One
VULNERABILITY DETAILS

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 Virus Scan Engine. By creating a symbolic link, an attacker can abuse the VSApiNt.sys driver to delete arbitrary files. 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://success.trendmicro.com/en-US/solution/KA-0022458
DISCLOSURE TIMELINE
  • 2024-08-14 - Vulnerability reported to vendor
  • 2026-03-03 - Coordinated public release of advisory
  • 2026-03-03 - Advisory Updated
CREDIT Anonymous
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