Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel for Mac 2011, Excel 2016 for Mac, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."
Conclusion & alert: CVE-2015-6040 is rated High Risk (74.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 37.55%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.35% 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 | 2025-06-30 | 34.20% | 37.55% | +3.35% |
| 2 | 2025-03-30 | 43.70% | 34.20% | -9.50% |
| 3 | 2025-03-29 | — | 43.70% | — |
Full EPSS history (15 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 | excel | 2007 | cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:* |
| microsoft | excel | 2010 | cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:x64:* |
| microsoft | excel | 2010 | cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:x86:* |
| microsoft | excel_for_mac | 2011 | cpe:2.3:a:microsoft:excel_for_mac:2011:*:*:*:*:*:*:* |
| microsoft | excel_for_mac | 2016 | cpe:2.3:a:microsoft:excel_for_mac:2016:*:*:*:*:*:*:* |
| microsoft | excel_viewer | — | cpe:2.3:a:microsoft:excel_viewer:*:*:*:*:*:*:*:* |
| microsoft | office_compatibility_pack | — | cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:* |