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Critical CVEs

CVE-2026-34926 — Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability

May 21, 2026

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

Affected vendor/product: Trend Micro Apex One

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

CISA KEV date added: 2026-05-21

Due date: 2026-06-04

Known ransomware campaign use: Unknown

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