CVE-2026-34926
KEVMEDIUM 6.7EPSS 0.5%
A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.
- Affected
- Trend Micro, Inc. · TrendAI Apex One · TrendAI Apex One as a Service
- CVSS v3.1 TRENDMICRO
- 6.7 MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L - EPSS
- 0.54% chance of exploitation in the next 30 days, 44th percentile
- CISA KEV
- added 2026-05-21
- Published
- 2026-05-21
- Updated
- 2026-05-22
Proof-of-concept exploits (2)
- HORKimhab/CVE-2026-349260★ · 2026-05-22
- peleduri/zero-day-pulse8★ · 2026-10-16
Security advisories
- https://success.trendmicro.com/en-US/solution/KA-0023430
- https://success.trendmicro.com/ja-JP/solution/KA-0022974
- https://jvn.jp/en/vu/JVNVU90583059
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926
- https://www.jpcert.or.jp/english/at/2026/at260014.html