Heap-based buffer overflow in Microsoft DirectX SDK (February 2006) and probably earlier, including 9.0c End User Runtimes, allows context-dependent attackers to execute arbitrary code via a crafted Targa file with a run-length-encoding (RLE) compression that produces more data than expected when decoding.
Conclusion & alert: CVE-2006-4183 is rated Moderate Risk (55.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.16%, 94th 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 | 39.12% | 8.16% | -30.96% |
| 2 | 2026-03-06 | 38.73% | 39.12% | +0.39% |
| 3 | 2025-03-30 | — | 38.73% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | directx_sdk | february_2006 | cpe:2.3:a:microsoft:directx_sdk:february_2006:*:*:*:*:*:*:* |