He was born in Zárate, Buenos Aires Province. He joined the Army in 1895 and graduated as a civil engineer in 1899.
He held several important positions in the Army, including Chief of Staff of the Argentine Army.
He was also Minister of War under President Ramón S. Castillo.
In 1943, Cabot was part of the military group that overthrew Castillo. He was appointed president by the military junta, but he resigned after a few months.
He died in Buenos Aires in 1957.