Integer overflow in Microsoft Excel 2002 SP3 allows remote attackers to execute arbitrary code via an Excel document with crafted record information, aka "Excel Record Parsing Integer Overflow Vulnerability."
Conclusion & alert: CVE-2010-3230 is rated High Risk (73.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 68.65%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.15% 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 | 2025-04-14 | 66.49% | 68.65% | +2.15% |
| 2 | 2025-03-30 | 73.12% | 66.49% | -6.63% |
| 3 | 2025-03-29 | — | 73.12% | — |
Full EPSS history (21 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] |