New firmware updates are available for Surface Pro 4, Surface Laptop 3 and Surface Book

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Microsoft has released new firmware updates for users of the Surface Pro 4, Surface Laptop 3, and the first generation models of the Surface Book. The latest batch addresses various issues, aiming to improve the overall security and stability of these devices.

For the owners of the Surface Laptop 3, this set of updates is exclusively available for the Intel-powered versions, and it brings performance improvements. The updates also focus on improving the experience using the Surface Dock 2, and you can check out the changelog below:

  • Surface System Aggregator– Firmware: 14.502.139.0 Improves system performance.
  • Surface Integration – System devices: 6.119.139.0 Improves device performance.
  • Surface Dock Firmware Update - Firmware: 6.7.137.0 Improves Surface Dock 2 stability.

The Surface Pro 4 is getting new firmware updates to improve the security of the device, similar to the update for the Surface Studio 2 that was released a couple of weeks ago. You can get more details in the full release notes below:

  • Surface UEFI - Firmware: 109.3748.768.0 Addresses critical security vulnerability.
  • Surface ME - Firmware: 11.8.86.3877 Addresses critical security vulnerability.
  • Intel(R) Management Engine Interface – System devices: 2102.100.0.1044 Addresses critical security vulnerability.

Finally, the first-generation Surface Book models are receiving all the same security-related updates, with a similar changelog. To avoid repetition, the list below only includes the Surface UEFI update, which comes with a different version number. Here’s what you should be seeing in Windows Update:

  • Surface UEFI - Firmware: 92.3748.768.0 Addresses critical security vulnerability.

Regardless of the device, the July 2021 firmware updates are available for users running Windows 10 version 1903 on these devices. However, these updates are rolling out gradually, so it's possible that they may not show up for everyone just yet.

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