Application crash in the IEnumConnectionPoints->Skip method

//
// crash in the skip method
//
void crash2( IQTCrashPtr qtObject )
{
	IEnumConnectionPointsPtr connectionPointEnum;
	IConnectionPointContainerPtr( qtObject )->EnumConnectionPoints( &connectionPointEnum );

	IConnectionPointPtr connectionPoint;
	while( connectionPointEnum->Skip( 1 ) == S_OK ) // crash here
	{
	}
}