What is CVE-2026-34930?

CVE-2026-34930 is a high-severity vulnerability in Trendmicro Apex_one, classified under Origin Validation Error. CVSS score: 7.8/10. Published 2026-05-21.

How severe is CVE-2026-34930?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Trendmicro Apex_one

CVE-2026-34930

An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-34927 but exists in a different process protection mechanism. Please n…

EPSS: 0.000 (0.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Trendmicro Apex_one
Trend Micro, Inc. Trendai Apex One — versions 2019 (14.0)
Trend Micro, Inc. Trendai Apex One As A Service — versions SaaS

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

security@trendmicro.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-34930?: CVE-2026-34930 is a high-severity vulnerability in Trendmicro Apex_one, classified under Origin Validation Error. CVSS score: 7.8/10. Published 2026-05-21.
How severe is CVE-2026-34930?: High severity. CVSS v3 base score is 7.8 out of 10.