CVE-2008-4256

The Charts ActiveX control in Microsoft Visual Basic 6.0, Visual Studio .NET 2002 SP1 and 2003 SP1, and Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2 does not properly handle errors during access to incorrectly initialized objects, which allows remote attackers to execute arbitrary code via a crafted HTML document, related to corruption of the "system state," aka "Charts Control Memory Corruption Vulnerability."

Published: 2008-12-10 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-4256 is rated Moderate Risk (63.9/100): CVSS High severity, with high exploitation likelihood (EPSS 57.46%, 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-2008-4256

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 2025-06-28 61.88% 57.46% -4.42%
2 2025-05-01 64.02% 61.88% -2.14%
3 2025-03-30 64.02%

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4256

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.5 2.0 HIGH
AV:N/AC:M/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
6.8 10.0 [email protected]

Weakness enumeration for CVE-2008-4256

Affected software / configurations for CVE-2008-4256

Vendor Product Version Raw CPE
microsoft office_frontpage 2002 cpe:2.3:a:microsoft:office_frontpage:2002:sp3:*:*:*:*:*:*
microsoft project 2003 cpe:2.3:a:microsoft:project:2003:sp3:*:*:*:*:*:*
microsoft project 2007 cpe:2.3:a:microsoft:project:2007:*:*:*:*:*:*:*
microsoft project 2007 cpe:2.3:a:microsoft:project:2007:sp1:*:*:*:*:*:*
microsoft visual_basic 6.0 cpe:2.3:a:microsoft:visual_basic:6.0:*:runtime_extended_files:*:*:*:*:*
microsoft visual_foxpro 8.0 cpe:2.3:a:microsoft:visual_foxpro:8.0:sp1:*:*:*:*:*:*
microsoft visual_foxpro 9.0 cpe:2.3:a:microsoft:visual_foxpro:9.0:sp1:*:*:*:*:*:*
microsoft visual_foxpro 9.0 cpe:2.3:a:microsoft:visual_foxpro:9.0:sp2:*:*:*:*:*:*
microsoft visual_studio_.net 2002 cpe:2.3:a:microsoft:visual_studio_.net:2002:sp1:*:*:*:*:*:*
microsoft visual_studio_.net 2003 cpe:2.3:a:microsoft:visual_studio_.net:2003:sp1:*:*:*:*:*:*

References for CVE-2008-4256

cvelogic Threat Intelligence