CVE-2026-34926

Published May 21, 2026 CVSS 3.1 · 6.7 Medium EPSS 13.4% KEV · Listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Directory Traversal in Apex One Enabling Agent Code Injection
Type Values Removed Values Added
Title Directory Traversal in Apex One Enabling Agent Code Injection
Type Values Removed Values Added
Title Directory Traversal Vulnerability Allows Local Admin to Deploy Malicious Code on Trend Micro Apex One On-Premises
Type Values Removed Values Added
Title Directory Traversal Vulnerability Allows Local Admin to Deploy Malicious Code on Trend Micro Apex One On-Premises
Type Values Removed Values Added
Title Directory Traversal Enables Local Admin to Alter Key Table for Agent Code Deployment
Type Values Removed Values Added
Title Directory Traversal Enables Local Admin to Alter Key Table for Agent Code Deployment
Type Values Removed Values Added
Title Directory Traversal Enables Local Key Table Manipulation in Trend Micro Apex One
Type Values Removed Values Added
Title Directory Traversal Enables Local Key Table Manipulation in Trend Micro Apex One
Type Values Removed Values Added
First Time appeared Trendmicro apex One
CPEs cpe:2.3:a:trendmicro:apex_one:*:*:*:*:on-premises:windows:*:*
cpe:2.3:a:trendmicro:apex_one:*:*:*:*:saas:windows:*:*
Vendors & Products Trendmicro apex One
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Directory Traversal in Trend Micro Apex One Server Enabling Local Code Deployment
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-05-21T00:00:00+00:00', 'dueDate': '2026-06-04T00:00:00+00:00'}

Type Values Removed Values Added
Title Directory Traversal in Trend Micro Apex One Server Enabling Local Code Deployment
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
First Time appeared Trendmicro
Trendmicro apexone Op
Trendmicro apexone Saas
Weaknesses CWE-23
CPEs cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*
Vendors & Products Trendmicro
Trendmicro apexone Op
Trendmicro apexone Saas
References
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
trendmicro
Published
Updated
May 22, 2026, 12:47 PM
Reserved
Mar 31, 2026, 5:22 PM
Status
Analyzed
Published
May 21, 2026, 2:16 PM
Modified
Jul 23, 2026, 4:10 PM