TI-2026-27153 Aliases CVE-2026-34929 GHSA-ff4m-qxjh-q4cw

Origin validation error in TrendAI Apex One

LOW 36CWE-346Published 2026-05-21 · Updated 2026-05-22

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-346.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00246 15th percentileScored 2026-11-07

Fix Fixed TrendAI Apex One (Trend Micro, Inc.): 14.0.0.17079TrendAI Apex One as a Service (Trend Micro, Inc.): 14.0.20731

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Trend Micro	TrendAI Apex One	2019 (14.0) to before 14.0.0.17079	14.0.0.17079	Patch available	CNA
Trend Micro	TrendAI Apex One as a Service	SaaS to before 14.0.20731	14.0.20731	Patch available	CNA

TrendAI Apex One VendorTrend Micro Affected 2019 (14.0) to before 14.0.0.17079 Fixed in 14.0.0.17079 Patch available CNA
TrendAI Apex One as a Service VendorTrend Micro Affected SaaS to before 14.0.20731 Fixed in 14.0.20731 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:trendmicro:apex_one:::::on-premises:windows::	before 14.0.0.17079	Vulnerable	Trendmicro
cpe:2.3:a:trendmicro:apex_one:::::saas:windows::	before 14.0.20731	Vulnerable	Trendmicro

cpe:2.3:a:trendmicro:apex_one:*:*:*:*:on-premises:windows:*:* Versions before 14.0.0.17079 Vulnerable ·Trendmicro
cpe:2.3:a:trendmicro:apex_one:*:*:*:*:saas:windows:*:* Versions before 14.0.20731 Vulnerable ·Trendmicro

Remediation

Fix · CNA TrendAI Apex One (Trend Micro, Inc.) Fixed in 14.0.0.17079
Fix · CNA TrendAI Apex One as a Service (Trend Micro, Inc.) Fixed in 14.0.20731

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-05-21
Trend Micro TrendAI Apex One, TrendAI Apex One as a Service 14.0.0.17079, 14.0.20731
8 records Highest priority Priority CRITICAL 1 CRITICAL, 7 LOW
Other records, highest priority first
- TI-2026-27150 Path traversal in TrendAI Apex OnePriority CRITICAL 89
- TI-2026-33025 Time-of-check time-of-use race condition in TrendAI Apex OnePriority LOW 36
- TI-2026-27151 Origin validation error in TrendAI Apex OnePriority LOW 36
Show all 8 records →

Timeline

2026-10-02 Threatist record created from CVE-2026-34929
2026-10-03 Alias added: GHSA-ff4m-qxjh-q4cw

References

Advisory 1

https://success.trendmicro.com/en-US/solution/KA-0023430

TI-2025-34668 OS command injection in Trend Micro Apex One KEVCVSS 3.1CRITICAL 9.8
TI-2022-10115 Insufficient verification of data authenticity in Trend Micro Apex Central KEVCVSS 3.1CRITICAL 9.8
TI-2020-06895 Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that… KEVCVSS 3.1CRITICAL 9.8
TI-2021-14867 Unrestricted file upload in Trend Micro Apex One KEVCVSS 3.1HIGH 8.8
TI-2020-06795 Injection in Trend Micro OfficeScan, Trend Micro Apex One, Trend Micro Worry-Free… KEVCVSS 3.1HIGH 8.8
TI-2020-06794 A migration tool component of Trend Micro Apex One (2019) and OfficeScan XG contains a… KEVCVSS 3.1HIGH 8.8

See all 603 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences