Origin Validation Privilege Escalation via Named Pipe in Apex One
CVE-2026-34928 Published on May 21, 2026

An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-34927 but exists in a different named pipe communication mechanism. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

NVD

Vulnerability Analysis

CVE-2026-34928 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Origin Validation Error

The software does not properly verify that the source of data or communication is valid.


Products Associated with CVE-2026-34928

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TrendMicro Apexone Op
 
TrendMicro Apexone Saas
 

Affected Versions

Trend Micro, Inc. TrendAI Apex One: Trend Micro, Inc. TrendAI Apex One as a Service: