Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
Trend Micro · Apex One
Date added (CISA)
2026-05-21
Remediation due
2026-06-04
Known ransomware use
Not indicated
Remediation priority
P2 — past CISA due date
Description
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.