PatchTheCVECVE-2026-34926: Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
CVE-2026-34926 is a medium-severity flaw (CVSS 6.7) affecting apex one, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 m
Why this priority
- EPSS top 4%: very likely to be exploited
- Exploited in the wild (CISA KEV)
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.7 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 13.4% (top 4%) |
| CISA exploited list | Yes, fix due 2026-06-04 |
| Weakness | CWE-23 |
| Published | 2026-05-21 |
| Last modified | 2026-07-23 |
Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Published CVE record published
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- GitHub PoC: HORKimhab/CVE-2026-34926 (0 stars)
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-34926?
apex one: upgrade to 14.0.0.17079, 14.0.20731. Exact commands for each OS are on this page.
Is CVE-2026-34926 being exploited?
Yes. CVE-2026-34926 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2026-34926 affect?
CVE-2026-34926 affects apex one. Severity is medium (CVSS 6.7). 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 vulne
How urgent is CVE-2026-34926?
Priority 73/100. EPSS top 4%: very likely to be exploited; Exploited in the wild (CISA KEV)
Software pages
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