CVE-2022-40139
Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://success.trendmicro.com/dcx/s/solution/000291528?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2022-40139
Description
Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order to exploit this vulnerability.
Severity
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitation Context
as of October 15, 2026- CISA added CVE-2022-40139 to the KEV catalog 4 days before its CVE record was published.
- It is one of 12 Trend Micro entries in the CISA KEV catalog, and one of 2 added in 2022.
- Its current EPSS score (3.3%) is higher than that of 13% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Trend Micro | Trend Micro Trend Micro Apex One | 2019 (on-prem) and SaaS |
References
1 LinksRecord Details
More from Trend Micro
Trend Micro OfficeScan Directory Traversal Vulnerability
Trend Micro Apex One OS Command Injection Vulnerability
Trend Micro Apex Central Arbitrary File Upload Vulnerability
Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.