CVE-2026-34929

Privilege Escalation via Origin Validation Flaw in TrendMicro Apex One

Published May 21, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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-2026-34927 but exists in a different inter-process 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Trendmicro apex One
CPEs cpe:2.3:a:trendmicro:apex_one:*:*:*:*:on-premises:windows:*:*
cpe:2.3:a:trendmicro:apex_one:*:*:*:*:saas:windows:*:*
Vendors & Products Trendmicro apex One
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Privilege Escalation via Origin Validation Flaw in TrendMicro Apex One
Type Values Removed Values Added
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-2026-34927 but exists in a different inter-process 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.
First Time appeared Trendmicro
Trendmicro apexone Op
Trendmicro apexone Saas
Weaknesses CWE-346
CPEs cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*
Vendors & Products Trendmicro
Trendmicro apexone Op
Trendmicro apexone Saas
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
trendmicro
Published
Updated
May 22, 2026, 3:55 AM
Reserved
Mar 31, 2026, 5:22 PM
Status
Analyzed
Published
May 21, 2026, 2:16 PM
Modified
Jul 23, 2026, 4:10 PM