CVE-2026-45206: High severity Trend Micro Apex One agent vulnerability

Published May 21, 2026
·
Updated

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.

Affected Software

4 affected components
Trend Micro Apex One agent
Symantec Symantec Endpoint Protection (SEP) agent
trendmicro Apex One Windows<14.0.0.17079
trendmicro Apex One Windows<14.0.20731

Event History

May 21, 2026
CVE Published
via MITRE·01:04 PM
Data Sourced
via MITRE·01:04 PM
DescriptionSeverity
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-45206?

CVE-2026-45206 has a high severity rating of 7.8.

2

What type of vulnerability is CVE-2026-45206?

CVE-2026-45206 is an origin validation vulnerability allowing privilege escalation.

3

Who is affected by CVE-2026-45206?

CVE-2026-45206 affects installations of Trend Micro Apex One agent and Symantec Endpoint Protection (SEP) agent.

4

How does CVE-2026-45206 allow an attacker to exploit the vulnerability?

An attacker can exploit CVE-2026-45206 by gaining local access to execute privilege escalation.

5

How can I mitigate risks associated with CVE-2026-45206?

To mitigate CVE-2026-45206, ensure that you apply the latest patches and security updates for affected software.

Contact

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