CVE-2026-34926
Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
CVSS
6.7
Medio
EPSS
12.7%
p96
KEV
SÍ
21 may 2026
Exploit Today
79
0-100
Publicado: 21 may 2026 · Última mod.: 23 jul 2026 · CWE-23
Producto
Trend Micro / Apex One
Vulnerabilidad
Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
Añadido a KEV
21 may 2026
Remediar antes de
4 jun 2026
Uso conocido en ransomware
No
Descripción resumida
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.
Acción requerida
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notas
https://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926
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.
- jvn.jphttps://jvn.jp/en/vu/JVNVU90583059/
- success.trendmicro.comhttps://success.trendmicro.com/en-US/solution/KA-0023430
- success.trendmicro.comhttps://success.trendmicro.com/ja-JP/solution/KA-0022974
- www.jpcert.or.jphttps://www.jpcert.or.jp/english/at/2026/at260014.html
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926