CVE-2026-34926

MEDIUM CISA KEV EPSS 95.8%
Published May 21, 20261mo ago · Modified Jun 17, 20262w ago
6.7 CVSS 3.1
Medium
Find Similar
Published May 21, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
KEV Listed May 21, 2026 1mo ago
KEV Due Jun 4, 2026 27d overdue

Description

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.

CVSS Details

Base Score
6.7
Exploitability
0.8
Impact
5.3
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Attack Vector Local
Attack Complexity High
Privileges Required High
User Interaction None
Scope Changed
Confidentiality High
Integrity Low
Availability Low

Threat Intelligence

CISA Known Exploited Overdue 27d
Added
May 21, 2026
Due
Jun 4, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS Exploit Probability
95.8% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

CWE-23

Affected Products 2

VendorProductVersionRange
trendmicroapex_one* <14.0.0.17079
trendmicroapex_one* <14.0.20731

References 5

  • jvn.jp https://jvn.jp/en/vu/JVNVU90583059/
    Third Party Advisory
  • success.trendmicro.com https://success.trendmicro.com/en-US/solution/KA-0023430
    Vendor Advisory
  • success.trendmicro.com https://success.trendmicro.com/ja-JP/solution/KA-0022974
    Vendor Advisory
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926
    Third Party AdvisoryUS Government Resource
  • jpcert.or.jp https://www.jpcert.or.jp/english/at/2026/at260014.html
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.