Surface Book 2 gets November 2021 firmware update

Microsoft is rolling out Firmware Update November 2021 for Surface Book 2. The update adds security fixes and improves system stability, but beyond that, the update doesn’t include new features. However, every Surface Book 2 owner should install the update as it includes fixes for critical security vulnerabilities. You can read the full official changelog below.


This update resolves a critical security vulnerability and improves system stability.

Windows Update History Equipment management
Marvell Semiconductor, Inc. – Net – 15.68.17022.122 Marvell AVASTAR . Wireless-AC Network Controller
Marvell Semiconductor, Inc. – Bluetooth – 15.68.17022.122 Marvell AVASTAR Bluetooth Radio Adapter – Bluetooth
November 2021 security patch is also available for Surface Studio 2and Intel AMD variant of Surface Laptop 4.
If you’re using Surface Book 2, you can manually check for updates by navigating to Settings > Update & Security > Windows Update > Check for updates. Surface Book 2 gets November 2021 firmware update


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