UPDATE: Pete Hines from Bethesda has tweeted that this was a CMS error.
Bethesda’s own website is currently listing Skyrim for PS4. There’s been no official announcement but if anyone would know it would be the publisher. The PS4 option is currently greyed compared to the available choices suggesting it’s not a live format yet. Chances are someone updated the page ahead of an official press release. Someone who’s probabably being shouted at right about now.