This update resolves potential security vulnerabilities, including the issue that is described in Microsoft security advisory 170012.
How to get this update
This update will be downloaded and installed automatically. It will be listed in the Windows Update history as follows:
Surface – Firmware – 118.1895.770.0
There are no prerequisites for installing this update.
You have to restart the computer after you apply this update.
Update replacement information
This update doesn't replace a previously released update.
Surface UEFI – Firmware (118.1866.770.0)
Learn about the terminology that Microsoft uses to describe software updates.