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CVE-2026-45206: CWE-346: Origin Validation Error in Trend Micro, Inc. TrendAI Apex One

0
High
VulnerabilityCVE-2026-45206cvecve-2026-45206cwe-346
Published: Thu May 21 2026 (05/21/2026, 13:04:15 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. This is similar to CVE-2026-45207 but exists in a different process protection 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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/21/2026, 13:59:45 UTC

Technical Analysis

This vulnerability (CVE-2026-45206) involves an origin validation error (CWE-346) in the Trend Micro Apex One/SEP agent version 2019 (14.0). It allows a local attacker who already has low-privileged code execution to escalate privileges by exploiting weaknesses in the process protection communication mechanism. The CVSS v3.1 score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. The vendor has published the vulnerability but has not yet provided an official fix or remediation guidance. This issue is similar to CVE-2026-45207 but affects a different communication mechanism within the product.

Potential Impact

Successful exploitation can lead to full privilege escalation on affected systems, compromising confidentiality, integrity, and availability of the system. However, exploitation requires the attacker to have initial low-privileged code execution capabilities, limiting the attack vector to local threat actors or scenarios where initial access is already obtained. There are no known exploits in the wild at this time.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, organizations should restrict local access to trusted users only and monitor for any suspicious local activity. No vendor-provided temporary fixes or workarounds are currently documented.

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Technical Details

Data Version
5.2
Assigner Short Name
trendmicro
Date Reserved
2026-05-11T13:42:24.969Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a0f0c4d7b8e1438d00559d3

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

Last enriched: 5/21/2026, 1:59:45 PM

Last updated: 5/21/2026, 4:39:20 PM

Views: 6

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