Heap-based buffer overflow in Microsoft Excel 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Office 2008 and 2011 for Mac; and Office Compatibility Pack SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel SerAuxErrBar Heap Overflow Vulnerability."
Conclusion & alert: CVE-2012-1885 is rated High Risk (66.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 29.29%, 98th 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 | 65.94% | 29.29% | -36.65% |
| 2 | 2025-07-01 | 64.85% | 65.94% | +1.09% |
| 3 | 2025-03-30 | — | 64.85% | — |
Full EPSS history (19 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 | 2003 | cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:* |
| microsoft | excel | 2007 | cpe:2.3:a:microsoft:excel:2007:sp2:*:*:*:*:*:* |
| microsoft | excel | 2007 | cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:* |
| microsoft | excel | 2010 | cpe:2.3:a:microsoft:excel:2010:sp1:x64:*:*:*:*:* |
| microsoft | excel | 2010 | cpe:2.3:a:microsoft:excel:2010:sp1:x86:*:*:*:*:* |
| microsoft | office | 2008 | cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:* |
| microsoft | office | 2011 | cpe:2.3:a:microsoft:office:2011:*:mac:*:*:*:*:* |
| microsoft | office_compatibility_pack | — | cpe:2.3:a:microsoft:office_compatibility_pack:*:sp2:*:*:*:*:*:* |
| microsoft | office_compatibility_pack | — | cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:* |