CVE-2026-34926 — Actively Exploited: Apex One (Trend Micro)
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.
| CVE ID | CVE-2026-34926 |
|---|---|
| Vendor | Trend Micro |
| Product | Apex One |
| Vulnerability name | Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability |
| Date added | 2026-05-21 |
| Remediation due | 2026-06-04 |
| Known ransomware use | Unknown |
| 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. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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