CVE-2026-34926 MEDIUM

CVE-2026-34926

Vendor Trend Micro, Inc.
Product TrendAI Apex One
Weakness CWE-23
KEV Status Known Exploited
Published May 21, 2026
Last update May 22, 2026

CVSS base score

6.7/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L

What the vulnerability does

01Description

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.

CISA mandated remediation

02CISA Required Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Key dates

03Disclosure timeline

May 21, 2026 CVE published
May 22, 2026 Record updated