Heap-based buffer overflow in Microsoft Office PowerPoint 2002 SP3 and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows remote attackers to execute arbitrary code via a crafted structure in a Notes container in a PowerPoint file that causes PowerPoint to read more data than was allocated when creating a C++ object, leading to an overwrite of a function pointer, aka "Heap Corruption Vulnerability."
Conclusion & alert: CVE-2009-1130 is rated High Risk (66.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 39.45%, 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 | 72.43% | 39.45% | -32.98% |
| 2 | 2026-06-05 | 69.57% | 72.43% | +2.86% |
| 3 | 2026-02-28 | — | 69.57% | — |
Full EPSS history (28 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 | office | 2004 | cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:* |
| microsoft | office_powerpoint | 2002 | cpe:2.3:a:microsoft:office_powerpoint:2002:sp3:*:*:*:*:*:* |
| microsoft | office_powerpoint | 2003 | cpe:2.3:a:microsoft:office_powerpoint:2003:sp3:*:*:*:*:*:* |