MSRXCVE-2026-34926
CVE-2026-34926
Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CVSS 3.1 · CNA · trendmicro.com
chance of exploitation in the next 30 days (EPSS; higher than 96% of CVEs)
A directory traversal vulnerability in the Apex One (on-premise) server 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. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.
Scores
Affected products
- trendmicro apex one: < 14.0.0.17079; < 14.0.20731
Weakness: CWE-23
5 references (advisories, patches, write-ups)
- https://jvn.jp/en/vu/JVNVU90583059/ · Third Party Advisory
- https://success.trendmicro.com/en-US/solution/KA-0023430 · Vendor Advisory
- https://success.trendmicro.com/ja-JP/solution/KA-0022974 · Vendor Advisory
- https://www.jpcert.or.jp/english/at/2026/at260014.html · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926 · Third Party Advisory, US Government Resource
Sources: NVD, CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.