Microsoft Windows Media Player 11 does not properly perform colorspace conversion, which allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted .AVI file. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Microsoft Windows Media Player 10 through 12 allows remote attackers to execute arbitrary code via a crafted DataObject on a web site, aka "Windows Media Player RCE via DataObject Vulnerability."