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 obtain sensitive information from process memory via a crafted web site, aka "Scripting Engine Information Disclosure Vulnerability."
Conclusion & alert: CVE-2015-6135 is rated Moderate Risk (50.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.46%, 92th 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 | 2026-03-17 | 9.87% | 8.46% | -1.41% |
| 2 | 2025-09-22 | 9.83% | 9.87% | +0.04% |
| 3 | 2025-06-29 | — | 9.83% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [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:*:*:*:*:*:*:* |