CVE-2026-34927: High severity Trend Micro Apex One 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.

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
Symantec Symantec Endpoint Protection
trendmicro Apex One Windows<14.0.0.17079
trendmicro Apex One Windows<14.0.20731

Event History

May 21, 2026
CVE Published
via MITRE·01:03 PM
Data Sourced
via MITRE·01:03 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-2026-34927?

CVE-2026-34927 has a severity rating of 7.8, classified as high.

2

How can I fix CVE-2026-34927?

To mitigate CVE-2026-34927, ensure that you apply the latest updates and patches provided by Trend Micro and Symantec.

3

What impact does CVE-2026-34927 have?

CVE-2026-34927 allows a local attacker to escalate privileges on affected installations, potentially gaining unauthorized access.

4

Which software is affected by CVE-2026-34927?

CVE-2026-34927 affects Trend Micro Apex One and Symantec Endpoint Protection software.

5

What conditions are required to exploit CVE-2026-34927?

Exploitation of CVE-2026-34927 requires the attacker to already have the ability to execute low-privileged code on the target system.

Contact

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