Hey Everyone,
A fix is now available for the unexpected device shutdown through Windows Update:
Surface Pro 7 June 2020 update, https://support.microsoft.com/en-us/help/4526363/surface-pro-7-update-history
Surface Laptop 3 with Intel processor June 2020 update, https://support.microsoft.com/en-us/help/4526150/surface-laptop-3-update-history
Thanks,
BryanH [MSFT]