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. An out-of-bounds access vulnerability exists in Huawei HarmonyOS and EMUI.The vulnerability stems from out-of-bounds access to the sensor module, which results in an abnormal anti-false-touch function of the user’s phone. An attacker can exploit this vulnerability to cause a denial of service.