SQL Server AlwaysOn READONLY Instance High CPU

Hi!

I Have two SQL Servers 2017 configured in AlwaysOn.
Is there any risk of data lose if the readonly instance cpu use is too high (100%) because of workload.

Thanks.

@@Version : Microsoft SQL Server 2017 (RTM-CU13) (KB4466404) - 14.0.3048.4 (X64) Nov 30 2018 12:57:58 Copyright (C) 2017 Microsoft Corporation Enterprise Edition: Core-based Licensing (64-bit) on Windows Server 2016 Standard 10.0 <X64> (Build 14393: ) (Hypervisor)