The match, which took place at the CSKA Arena in Moscow, ended with a score of 5: 4 in favor of the army team.
As part of the winners, Pavel Karnaukhov scored a hat-trick, Brendan Lipsik scored a double.
Maksim Tsyplakov, Robin Ganzl, Andrei Kuteikin and Lukasz Radil scored with abandoned goals at Spartak.
CSKA won their fourth victory in a row.
Spartak suffered the first defeat in the last three matches.
Earlier, Lokomotiv beat Ak Bars and ended a series of three defeats in the KHL.