Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability

When

2026-05-21 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

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.

Sources

• CISA ↗ · first seen 2026-05-21 00:00 UTC

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Correlated events

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