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."