Heap-based buffer overflow in Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, 2004 for Mac, and v.X for Mac allows user-assisted remote attackers to execute arbitrary code via a BIFF8 spreadsheet with a PALETTE record that contains a large number of entries.
Conclusion & alert: CVE-2007-0031 is rated High Exploit Risk (83.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 74.90%, 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 |
|---|---|---|---|---|
| 3193 | exploit_db | edb | 2007-01-25 | 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 | 2026-03-07 | 78.12% | 74.90% | -3.22% |
| 2 | 2026-02-20 | 75.16% | 78.12% | +2.96% |
| 3 | 2026-01-18 | — | 75.16% | — |
Full EPSS history (18 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 | 2000 | cpe:2.3:a:microsoft:excel:2000:*:*:*:*:*:*:* |
| microsoft | office | 2000 | cpe:2.3:a:microsoft:office:2000:sp3:*:*:*:*:*:* |
| microsoft | excel | 2002 | cpe:2.3:a:microsoft:excel:2002:*:*:*:*:*:*:* |
| microsoft | office | xp | cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:* |
| microsoft | excel | 2003 | cpe:2.3:a:microsoft:excel:2003:*:*:*:*:*:*:* |
| microsoft | office | 2003 | cpe:2.3:a:microsoft:office:2003:sp2:*:*:*:*:*:* |
| microsoft | excel_viewer | 2003 | cpe:2.3:a:microsoft:excel_viewer:2003:*:*:*:*:*:*:* |
| microsoft | works | 2004 | cpe:2.3:a:microsoft:works:2004:*:*:*:*:*:*:* |
| microsoft | works | 2005 | cpe:2.3:a:microsoft:works:2005:*:*:*:*:*:*:* |
| microsoft | office | 2004 | cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:* |
| microsoft | office | v.x | cpe:2.3:a:microsoft:office:v.x:*:mac:*:*:*:*:* |