Unspecified vulnerability in DirectShow in DirectX in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted media file, related to Quartz.dll, Qdvd.dll, closed captioning, and the Line21 DirectShow filter, aka "DirectShow Remote Code Execution Vulnerability."