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CVE-2026-34926

Published: May 21, 2026

Modified: May 22, 2026

PUBLISHED

CVSS v3.1

6.7

MEDIUM

Description

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.

Vendor	Product	Versions
Trend Micro, Inc.	TrendAI Apex One	affected `2019 (14.0) - < 14.0.0.17079`
Trend Micro, Inc.	TrendAI Apex One as a Service	affected `SaaS - < 14.0.20731`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

Low

References

https://success.trendmicro.com/en-US/solution/KA-0023430

https://success.trendmicro.com/ja-JP/solution/KA-0022974

https://jvn.jp/en/vu/JVNVU90583059/

https://www.jpcert.or.jp/english/at/2026/at260014.html

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