Windows Themes Remote Code Execution Vulnerability
Conclusion & alert: CVE-2023-38146 is rated Moderate Risk (64.6/100): CVSS High severity, with high exploitation likelihood (EPSS 39.23%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 86.45% | 39.23% | -47.22% |
| 2 | 2025-11-21 | 81.91% | 86.45% | +4.54% |
| 3 | 2025-11-18 | — | 81.91% | — |
Full EPSS history (31 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_11_21h2 | < 10.0.22000.2416 | cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_22h2 | < 10.0.22621.2275 | cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* |