Microsoft Silverlight 5 before 5.1.40416.00 allows remote attackers to bypass intended integrity-level restrictions via a crafted Silverlight application, aka "Microsoft Silverlight Out of Browser Application Vulnerability."
Conclusion & alert: CVE-2015-1715 is rated High Risk (65.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 13.34%, 96th 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 | 26.06% | 13.34% | -12.72% |
| 2 | 2025-05-27 | 21.01% | 26.06% | +5.04% |
| 3 | 2025-05-18 | — | 21.01% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | silverlight | <= 5.1.30214.0 | cpe:2.3:a:microsoft:silverlight:*:*:*:*:*:*:*:* |