CVE-2026-34926: Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
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.
Other sources
Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that 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.
— CISA
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-34926?
CVE-2026-34926 has a medium severity rating of 6.7.
How do I fix CVE-2026-34926?
To fix CVE-2026-34926, ensure that you are using the latest patched version of Trend Micro Apex One (on-premise) and follow the recommended security guidelines.
Who is affected by CVE-2026-34926?
CVE-2026-34926 affects users of the on-premise version of Trend Micro Apex One.
What is the potential impact of CVE-2026-34926?
If exploited, CVE-2026-34926 could allow a pre-authenticated local attacker to inject malicious code into the server.
Is CVE-2026-34926 exploitable remotely?
CVE-2026-34926 is not remotely exploitable; it requires a local attacker's presence to take advantage of the vulnerability.