CVE-2026-34856: Huawei Harmonyos

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

UAF vulnerability in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.

Affected products

• Huawei Harmonyos: version 6.0.0 only

Published 2026-04-13. Last modified 2026-06-17.