CVE-2023-39403: Huawei Emui

Critical severity, CVSS 9.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Parameter verification vulnerability in the installd module. Successful exploitation of this vulnerability may cause sandbox files to be read and written without authorization.

Affected products

• Huawei Emui: version 11.0.1 only; version 12.0.0 only; version 12.0.1 only; version 13.0.0 only
• Huawei Harmonyos: version 2.0.0 only; version 2.0.1 only; version 2.1.0 only; version 3.0.0 only; version 3.1.0 only

Published 2023-08-13. Last modified 2026-06-17.