Huawei HarmonyOS is an operating system from Huawei, a Chinese company. It provides a full-scenario distributed operating system based on a microkernel.Huawei EMUI is a user interface developed by Huawei based on the Android operating system. Huawei HarmonyOS and EMUI APPWidget module authorization issue vulnerability can be exploited by an attacker to cause some applications to run out of authority.