(Windows-only) When running Photoshop on Microsoft Surface Book with NVIDIA GPU enabled, black boxes appear around floating user interface elements in Photoshop CC including the Search dialog, coachmarks, and history scrubber.
This issue occurs on Microsoft Surface Books shipped with NVIDIA GPU '134B' model. To identify if your Surface Book is affected, check Device ID in the NVIDIA Control Panel. The affected Surface Books display 'Device Id: XXXX-134B-YYYYYYYY'.
See NVIDIA's support article: Identifying the Graphics Card Model and Device ID.