1. Open attached project
2. Go File -> Build Settings -> Player Settings -> PC, Mac & Linux Standalone
3. Build and run the project for Standalone platform
4. Place your cursr over the cube

Actual result:
Cursor changes to some Custom cursor which looks corrupted

NOTE: if you set Custom cursor e.g. in Start function, it will be invisible on Standalone builds

Expected:
Picture should display instead of the system cursor once mouse is over the cube

Tested on:
Mac and Win 10

5.2.4f1 - reproducible
5.3.3p2 - reproducible
5.4.0b7 - reproducible