March 03 release
The following update is available for Surface Pro 7+ devices running Windows 10 October 2020 Update, version 20H2, or greater.
This update addresses critical security vulnerability and improves system stability.
Windows Update Name Device Manager Surface - Firmware - 18.101.141.0 Surface UEFI – Firmware Surface - Firmware - 15.0.1879.1 Surface ME - Firmware Intel - System - 2120.100.0.1085 Intel(R) Management Engine Interface - System Devices
Source:
Surface Pro 7+ update history - Microsoft Support
List of updates for Surface Pro 7+

Manual download:
Download Surface Pro 7+ Drivers and Firmware from Official Microsoft Download Center
All current drivers and firmware for the Surface Pro 7+
www.microsoft.com