Use-after-free vulnerability in the CRecordInstance::TransferToDestination function in mshtml.dll in Microsoft Internet Explorer 5.01 6 6 SP1 and 7 allows remote attackers to execute arbitrary code via DSO bindings involving (1) an XML Island (2) XML DSOs or (3) Tabular Data Control (TDC) in a crafted HTML or XML document as demonstrated by nested SPAN or MARQUEE elements and exploited in the wild in December 2008.