An invalid memory read vulnerability in a Trend Micro Secuity 2020 (v16.0.0.1302 and below) consumer family of products' driver could allow an attacker to manipulate the specific driver to do a system call operation with an invalid address, resulting in a potential system crash.
Conclusion & alert: CVE-2020-15603 is rated Moderate Risk (53/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.21%). Mandatory action: Review affected assets and schedule 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 | 0.80% | 1.21% | +0.41% |
| 2 | 2025-11-21 | 0.53% | 0.80% | +0.27% |
| 3 | 2025-11-18 | — | 0.53% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| trendmicro | antivirus\+_2020 | <= 16.0.1302 | cpe:2.3:a:trendmicro:antivirus\+_2020:*:*:*:*:*:*:*:* |
| trendmicro | internet_security_2020 | <= 16.0.1302 | cpe:2.3:a:trendmicro:internet_security_2020:*:*:*:*:*:*:*:* |
| trendmicro | maximum_security_2020 | <= 16.0.1302 | cpe:2.3:a:trendmicro:maximum_security_2020:*:*:*:*:*:*:*:* |
| trendmicro | premium_security_2020 | <= 16.0.1302 | cpe:2.3:a:trendmicro:premium_security_2020:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://helpcenter.trendmicro.com/en-us/article/TMKA-09645 | Vendor Advisory |