The Microsoft (1) VBScript 5.7 and 5.8 and (2) JScript 5.7 and 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to execute arbitrary code via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."
Conclusion & alert: CVE-2015-6136 is rated High Risk (72.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 44.59%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.40% over the last day, indicating growing attacker interest. 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 | 2025-06-29 | 43.18% | 44.59% | +1.40% |
| 2 | 2025-04-09 | 39.65% | 43.18% | +3.53% |
| 3 | 2025-03-30 | — | 39.65% | — |
Full EPSS history (19 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 | jscript | 5.7 | cpe:2.3:a:microsoft:jscript:5.7:*:*:*:*:*:*:* |
| microsoft | jscript | 5.8 | cpe:2.3:a:microsoft:jscript:5.8:*:*:*:*:*:*:* |
| microsoft | vbscript | 5.7 | cpe:2.3:a:microsoft:vbscript:5.7:*:*:*:*:*:*:* |
| microsoft | vbscript | 5.8 | cpe:2.3:a:microsoft:vbscript:5.8:*:*:*:*:*:*:* |