Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
Trend Micro — Apex One
- Added to KEV catalog
- 21 May 2026
- Federal remediation due date
- 4 June 2026
- Weakness classification (CWE)
- CWE-23
CISA 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.
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.
Notes
https://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926
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