Fifteen of the Islamist fighters were also killed, while seven others were arrested in the raid on what the Egyptian army describes as "an extremely dangerous" hideout for Islamist fighters.
Three military officers and seven soldiers have been killed by a blast while the military raids killed 15 militants and arrested seven others in Egypt's Central Sinai area of North Sinai province, the Egyptian military spokesman said in a statement on Thursday.
Ten Egyptian security personnel, including three army officers, were killed while carrying out a security operation in Egypt's volatile Sinai Peninsula, an Egyptian army spokesman said Thursday.
The security forces also found and destroyed half a ton of TNT explosive, and seized two vehicles containing hand grenades and hundreds of mobile phones, the statement added.
Last month, five soldiers were reportedly killed by a roadside bomb in north Sinai.
President Abdul Fattah al-Sisi ordered military and police chiefs "to completely eradicate terrorism in northern Sinai and defeat any attempts to target civilians or to undermine the unity of the national fabric" in response to February's killings.
ISIS supporters have increasingly carried out terror attacks beyond the group's main strongholds in Iraq and Syria in recent years, fueling mass murders in Pakistan, Turkey, France, the United States and many other nations.