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Trend Micro Apex One On-Premise Directory Traversal Vulnerability

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 t

Security · HIGH
Source: CISA Known Exploited VulnerabilitiesMay 25, 2026, 11:08 PMSecurityhigh

Full content

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.

Vendor: Trend Micro

Product: Apex One

Due date: 2026-06-04

Known ransomware use: Unknown

Why it matters

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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