CVE record · CVE-2026-45206

Origin validation error in Trend Micro, Inc. TrendAI Apex One and others

CVSS 7.8 HighEPSS 0.0021 · 11th percentile

Published by the CVE Program (CNA: trendmicro) at 21 May 2026, 13:04 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Trend Micro, Inc.	TrendAI Apex One	affected 2019 (14.0) to before 14.0.0.17079 semver
Trend Micro, Inc.	TrendAI Apex One as a Service	affected SaaS to before 14.0.20731 semver

Identifiers: CVE-2026-45206
CNA: trendmicro
Weakness (CWE): CWE-346
Tags: Trend Micro, Inc. TrendAI Apex One
Trend Micro, Inc. TrendAI Apex One as a Service
CWE-346
Published: 21 May 2026
Updated: 22 May 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (trendmicro)

CISA KEV Not listed.
EPSS 0.0021, the 11th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 21 May 2026. New records show when each source confirmed them.

Sources

References from the CNA

success.trendmicro.com/en-US/solution/KA-0023430

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.