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CVE-2026-34927: CWE-346: Origin Validation Error in Trend Micro, Inc. TrendAI Apex One

0
High
VulnerabilityCVE-2026-34927cvecve-2026-34927cwe-346
Published: Thu May 21 2026 (05/21/2026, 13:03:31 UTC)
Source: CVE Database V5
Vendor/Project: Trend Micro, Inc.
Product: TrendAI Apex One

Description

An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/21/2026, 14:00:19 UTC

Technical Analysis

This vulnerability in Trend Micro's TrendAI Apex One agent arises from improper origin validation (CWE-346). It requires an attacker to have local low-privileged code execution capability to exploit it for privilege escalation. The CVSS score of 7.8 indicates a high-severity issue affecting confidentiality, integrity, and availability. The affected product version is 2019 (14.0). No patch or official remediation level has been disclosed by the vendor, and no exploits are currently known in the wild.

Potential Impact

If exploited, a local attacker with existing low-privileged code execution could escalate privileges, potentially gaining higher system rights. This could lead to full compromise of the affected system's confidentiality, integrity, and availability. However, exploitation requires prior access to execute code with limited privileges, limiting the initial attack vector.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious local activity. No official remediation or temporary fix has been published by Trend Micro at this time.

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Technical Details

Data Version
5.2
Assigner Short Name
trendmicro
Date Reserved
2026-03-31T17:22:13.504Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a0f0c4d7b8e1438d00559c6

Added to database: 5/21/2026, 1:44:45 PM

Last enriched: 5/21/2026, 2:00:19 PM

Last updated: 5/21/2026, 4:39:36 PM

Views: 3

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