Review reviewHigh

CVE-2026-45208

Trend Micro, Inc. TrendAI Apex One, TrendAI Apex One as a Service, apex one

A time-of-check time-of-use vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

CVSS
7.8
EPSS
0.30%
22.3% percentile
CISA KEV
Not listed
Published
2026.05.21
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.30%
Technical severityCVSS 7.8

Vulnerability overview

A time-of-check time-of-use vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Affected product and versions

Product
Trend Micro, Inc. TrendAI Apex One, TrendAI Apex One as a Service, apex one
Affected versions
>= 2019 (14.0) < 14.0.0.17079, >= SaaS < 14.0.20731, < 14.0.0.17079, < 14.0.20731
Fixed versions
14.0.0.17079, 14.0.20731

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Trend Micro, Inc. TrendAI Apex One, TrendAI Apex One as a Service, apex one and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-367