After attending the Military Academy of Modena and graduating in 1909, Malaguti participated in the First World War with the rank of Second Lieutenant with the 5th Bersaglieri Regiment, fighting on the Col di Lana from 1915 to 1917.

[1] In April 1928 he was promoted to lieutenant colonel and in 1934 he assumed command of the 6th Bersaglieri Regiment; in 1937 he became Deputy Chief of Staff of Army Corps.

In November 1940, after promotion to brigadier general, he became Chief of Staff of the Army of the Po, and in May 1941 he was sent to North Africa and appointed Deputy Chief of Staff of the North Africa General Headquarters.

In April 1942, after promotion to Major General, he was appointed Chief of Staff of the 8th Army (ARMIR), deployed on the Eastern Front.

[2][3][1][4] In March 1944 Malaguti was handed over to the Italian Social Republic and detained in the prisons of Verona, Venice and Brescia; in January 1945 he was tried by the Special War Tribunal and sentenced to death, but before the sentence was carried out he was liberated on 25 April 1945 by the partisans following the insurrection in Northern Italy and the collapse of the Italian Social Republic.