If you are an IT administrator looking to deploy to ARM devices:
You must be running Symantec Endpoint Protection 14.3 RU1 (Build 2833) or newer.
Broadcom (Symantec’s owner) released native ARM64 SEP clients starting from: symantec endpoint protection arm64 hot
Installation:
SEP_14.3.8300.2000_ARM64_Client_EN.exe
Fix: The ARM64 hotfix resets NDIS filter drivers. Reapply your network policy via SEPM and reboot twice. This restores the Symantec Network Security driver (SYMNDIS.sys) for ARM64. If you are an IT administrator looking to
Broadcom’s roadmap (leaked Q4 2025) suggests three scenarios:
The "Hot" takeaway: If you are an all-Windows shop on Qualcomm Snapdragon, you are safe. If you manage Apple Silicon Macs, stop searching for "Symantec Endpoint Protection arm64 hot" and start planning your migration. Installation: SEP_14
If you arrived here looking for a working solution, follow this checklist. We have interpreted "arm64 hot" as the combined goal of native ARM64 support + thermal optimization.