CVE-2026-34926

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926

Remediation deadline: June 4, 2026

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.

Timeline

Published:May 21st, 2026 12:00 AM

Last modified:May 21st, 2026 12:00 AM

Added to KEV:May 21st, 2026

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

Trend Micro

Products

Apex One

Weaknesses (CWE)

CWE-23

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute