Disclosure summary
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 remediation guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Original records & references
PUBLISHED 2026-05-21T00:00:00-04:00
MODIFIED 2026-05-21T00:00:00-04:00
INGESTED 2026-10-06T11:42:57-04:00