CVE-2026-34930: 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-2026-34927 but exists in a different process protection 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-2026-34930?

The severity of CVE-2026-34930 is rated as high with a score of 7.8.

2

How do I fix CVE-2026-34930?

To fix CVE-2026-34930, apply the latest security patches from Trend Micro and Symantec as they become available.

3

What can an attacker do with CVE-2026-34930?

An attacker exploiting CVE-2026-34930 can escalate privileges on affected installations of Apex One/SEP agent.

4

Which systems are affected by CVE-2026-34930?

CVE-2026-34930 affects installations of Trend Micro Apex One agent and Symantec Endpoint Protection agent.

5

Is CVE-2026-34930 similar to any other vulnerabilities?

Yes, CVE-2026-34930 is similar to CVE-2026-34927 but involves a different process protection mechanism.

Contact

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