Buffer overflow in Internet Explorer 5 allows remote attackers to execute commands via a malformed Favorites icon.
Conclusion & alert: CVE-1999-0802 is rated Moderate Risk (58.7/100): CVSS High severity, with high exploitation likelihood (EPSS 10.15%, 95th 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 | 17.95% | 10.15% | -7.79% |
| 2 | 2025-03-30 | 19.62% | 17.95% | -1.68% |
| 3 | 2025-03-29 | — | 19.62% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.6 | 2.0 | HIGH |
|
4.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | internet_explorer | 5.0 | cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:* |