CVE-2026-34927 Privilege escalation in TrendAI Apex One
A local attacker with low-privileged code execution can escalate privileges via origin validation flaws in the Apex One/SEP agent.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34927?
CVE-2026-34927 is a high-severity vulnerability in Trendmicro Apex One, published on 21 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-346
Which versions are affected by CVE-2026-34927?
It affects 1 product.
Products include Trendmicro Apex One.
How do I fix CVE-2026-34927?
No fix has been published for CVE-2026-34927 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-34927 being exploited?
There is no known exploitation of CVE-2026-34927 in the wild and no public exploit code.
Other vulnerabilities in Trendmicro Apex One
- CVE-2020-8599 Trend Micro Apex One and OfficeScan Authentication Bypass
- CVE-2025-54948 Trend Micro Apex One OS Command Injection
- CVE-2021-36741 Trend Micro Multiple Products Improper Input Validation
- CVE-2020-8467 Trend Micro Apex One and OfficeScan Remote Code Execution
- CVE-2020-8468 Trend Micro Multiple Products Content Validation Escape
Sources
Also known as GHSA-c93p-h3cc-p7rr.