CVE-2006-3649

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.

Published: 2006-08-09 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2006-3649

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3649

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
4.9 6.4 [email protected]

Weakness enumeration for CVE-2006-3649

Affected software / configurations for CVE-2006-3649

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:*:*:*:*:*

References for CVE-2006-3649

cvelogic Threat Intelligence