CVE-2021-36742Actively exploitedAdded to KEV 2021-11-03

Trend Micro Multiple Products Improper Input Validation Vulnerability

Trend Micro, Apex One, Apex One as a Service, and Worry-Free Business Security

Description

Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows for privilege escalation.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Medium

1.5%

estimated chance of real-world exploitation in the next 30 days, higher than 73.8% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2021-11-17

CWE-20

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