Advisory Details

March 3rd, 2026

Trend Micro Apex One Security Agent iCore Service Signature Verification Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability

CVE ID	CVE-2025-71215
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 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.
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	2025-04-08 - Vulnerability reported to vendor 2026-03-03 - Coordinated public release of advisory 2026-03-03 - Advisory Updated
CREDIT	Lays (@_L4ys) of TRAPA Security

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