- Medium 6.7
- Known exploited (CISA KEV)
CVE-2026-34926
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.
Scores
The facts
- Published
- 21 May 2026
- Last changed
- 23 July 2026
- NVD status
- Analyzed
- Severity
- Medium, CVSS 6.7 out of 10 (version 3.1)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L - Weakness
- Affects
- trendmicro apex one
- Known exploited
- Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 21 May 2026.
- EPSS
- 0.5% chance of exploitation activity in the next 30 days (percentile 44).
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