Unspecified vulnerability in Microsoft Internet Explorer on Windows Mobile 5.0 allows remote attackers to cause a denial of service (loss of browser and other device functionality) via a malformed WML page, related to an "overflow state." NOTE: it is possible that this issue is related to CVE-2007-0685.
Conclusion & alert: CVE-2007-0878 is rated High Risk (65.8/100): CVSS High severity, with high exploitation likelihood (EPSS 32.00%, 97th 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 | 2026-03-08 | 31.24% | 32.00% | +0.76% |
| 2 | 2025-10-01 | 30.88% | 31.24% | +0.36% |
| 3 | 2025-03-30 | — | 30.88% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_mobile | 5.0 | cpe:2.3:o:microsoft:windows_mobile:5.0:*:*:*:*:*:*:* |