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CVE-2026-34926: Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
Trend Micro Apex One · in CISA KEV since 2026-05-21
2026-05-21added to KEV
2026-06-04federal remediation due date
12.68%EPSS exploit probability (30 days) 96.1th percentile
6.7 MEDIUMCVSS 3.1
Unknownknown ransomware use
0days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-23 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L |
| NVD published | 2026-05-21 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-34926.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.