Originally Posted by Wolverine
Not all MS users have the ability to control Kurama. And even if you talk about control, it only applies to Bijuus alone. Also, this time, Kurama and Naruto are fighting together and I doubt Sasuke can control either just like that...
According to Itachi, Sasuke and the Uchiha Tablet, MS Uchiha's can control the kyuubi. So what makes you think these sources are wrong? Think how easily Madara controlled the REAL Kuruma as opposed to this one, with half its power sealed away.
Also, Sasuke can easily break the new found link between Naruto and Kuruma, which at the very least, will provide him an opening.