CVEvulnerability

CVE-2026-34926

6.7 MEDIUM Known exploited Published 2026-05-21 Modified 2026-07-23 Official page ↗

CISA Known Exploited Vulnerability

Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability — Trend Micro Apex One

Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that 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.

Added to KEV
2026-05-21
Remediation due
2026-06-04
Ransomware use
Unknown
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.
Notes
https://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926
Status
Analyzed
Published
2026-05-21
Last modified
2026-07-23
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Weaknesses
CWE-23

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.

Affected configurations

• trendmicro apex one (< 14.0.0.17079) • trendmicro apex one (< 14.0.20731)

Related

Weakness · CWE (1)

  • CWE-23 Relative Path Traversal weakness

References