On Thursday, Cuper said that Salah was almost certain to play against Uruguay, after swiftly recovering from the shoulder injury he picked up in late May.
The match will kick off in Yekaterinburg at 15:00 Moscow time (12:00 GMT) later on Friday.
Egypt's starting XI:
Goalkeeper: Mohamed Elshenawy;
Defenders: Ahmed Fathy, Aly Gabr, Ahmed Hegazy, Mohamed Abdelshafy;
Midfielders: Mohamed Elneny, Tarek Hamed, Amr Warda, Abdallah Elsaid, Mahmoud Trezeguet;
Forward: Marwan Mohsen.