Every morning i read my Headlines from Metalink. Yesterday was published a new Knowledge Base Note about support of IE 7 and ADF Faces 10.1.3.3.0. The official statement from Oracle is that IE7 are currently not supported with ADF Faces 10.1.3.3.0.
Support is planed for ADF Faces 10.1.3.5.0 onwards. More information here.