CVE-2021-40026: Huawei Emui

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

There is a Heap-based buffer overflow vulnerability in the AOD module in smartphones. Successful exploitation of this vulnerability may affect service integrity.

Affected products

• Huawei Emui: version 11.0.0 only; version 12.0.0 only
• Huawei Harmonyos: before 2.0 (fixed in 2.0)
• Huawei Magic UI: version 4.0.0 only

Published 2022-01-10. Last modified 2026-06-17.