Using Win 8.1 x64 and, in both windowed mode and full screen mode, the view spins/drifts if the mouse isn't centered. Whenever I move the mouse to rotate the view, the camera starts spinning in that direction and I have to counter the movement to slow it down. I was able to make it "manageable" by turning down the DPI resolution of my mouse (Razer Naga 2014) and bringing the camera rotation speed way down, but I wouldn't call it playable.
I did see the thread here but it didn't help:
https://help.elderscrollsonline.com/app/answers/detail/a_id/4492/kw/camera spinning
Update KB2903939 was already installed, and I also set the DPI compatibility settings of both the launcher exe and eso.exe, but am still having the issue.