Buffer overflow in Microsoft Visual Basic for Applications (VBA) SDK 6.0 through 6.4, as used by Microsoft Office 2000 SP3, Office XP SP3, Project 2000 SR1, Project 2002 SP1, Access 2000 Runtime SP3, Visio 2002 SP2, and Works Suite 2004 through 2006, allows user-assisted attackers to execute arbitrary code via unspecified document properties that are not verified when VBA is invoked to open documents.
Conclusion & alert: CVE-2006-3649 is rated Moderate Risk (49.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 47.99%, 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 | 2026-05-07 | 54.43% | 47.99% | -6.44% |
| 2 | 2025-08-29 | 45.98% | 54.43% | +8.45% |
| 3 | 2025-03-30 | — | 45.98% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | visual_basic | 6.2 | cpe:2.3:a:microsoft:visual_basic:6.2:*:*:*:*:*:*:* |
| microsoft | visual_basic | 6.2 | cpe:2.3:a:microsoft:visual_basic:6.2:*:sdk:*:*:*:*:* |
| microsoft | visual_basic | 6.3 | cpe:2.3:a:microsoft:visual_basic:6.3:*:sdk:*:*:*:*:* |
| microsoft | visual_basic | 6.4 | cpe:2.3:a:microsoft:visual_basic:6.4:*:sdk:*:*:*:*:* |