An unspecified vulnerability was found in Microsoft products. By exploiting this vulnerability malicious users can execute arbitrary code. This vulnerability can be exploited remotely via a specially designed EMF image.
Windows Server 2003 x86, x64, Itanium Service Pack 2
Windows Vista x86, x64 Service Pack 2
Windows Server 2008 x86, x64, Itanium Service Pack 2
Windows 7 x86, x64 Service Pack 1
Windows Servier 2008 R2 x64, Itanium Service Pack 1
Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)