Microsoft Internet Explorer 7 on Windows XP SP2 allows remote attackers to prevent users from leaving a site, spoof the address bar, and conduct phishing and other attacks via repeated document.open function calls after a user requests a new page, but before the onBeforeUnload function is called.
Conclusion & alert: CVE-2007-3826 is rated High Exploit Risk (87/100): CVSS Critical severity, with high exploitation likelihood (EPSS 67.37%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-03-05 | 67.07% | 67.37% | +0.31% |
| 2 | 2025-08-11 | 68.99% | 67.07% | -1.93% |
| 3 | 2025-03-30 | — | 68.99% | — |
Full EPSS history (20 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 | internet_explorer | 7 | cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* |