A vulnerability in Trend Micro Apex One and Trend Micro Apex One as a Service could allow an attacker to bypass the product's login authentication by falsifying request parameters on affected installations.
Conclusion & alert: CVE-2022-40144 is rated High Risk (67.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.08%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.82% | 2.08% | +0.27% |
| 2 | 2026-04-05 | 1.34% | 1.82% | +0.47% |
| 3 | 2026-03-24 | — | 1.34% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| trendmicro | apex_one | — | cpe:2.3:a:trendmicro:apex_one:-:*:*:*:*:saas:*:* |
| trendmicro | apex_one | 2019 | cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://appweb.trendmicro.com/SupportNews/NewsDetail.aspx?id=4553 | Patch Vendor Advisory |
| https://jvn.jp/en/jp/JVN36454862/index.html | Patch Third Party Advisory |
| https://success.trendmicro.com/solution/000291528 | Patch Vendor Advisory |
| https://www.ipa.go.jp/security/ciadr/vul/20220913-jvn.html | Patch Third Party Advisory |