The present article expresses the importance of the Zrínyi 2026 Hungarian government medium-term modernization program and its impact on military security in the region. Migration crisis, hybrid warfare treatments and withdrawal from the INF (Intermediate-Range Nuclear Forces) treaty were the main reasons for the enactment of the Zrínyi 2026 program. Comparing the Polish and Hungarian Defence Forces, the article analyses the significance of military security in Central Europe. The analysis explores organizational and legal changes and the purchase of armaments. The Hungarian program’s objectives are to change not only the equipment but also the structure and organization. The Commander of the Hungarian Defence Forces was separated from the Ministry of Defence. The Hungarian program has declared the increase in the number of reserve forces to twenty thousand and the active duty personnel to roughly thirty-eight thousand. Due to the modernization the military forces will be equipped with new components.