Important
This update applies only to devices enrolled in hotpatch updates. For more information, see Hotpatch updates.
Improvements and fixes
The following summary outlines key issues addressed by this update. The bold text within the brackets indicates the item or area of the change.
- [Security] This update addresses a security vulnerability. To deliver these improvements, the update is offered as a standalone security update.
Note
This hotpatch update will install and take effect without requiring a device restart. This update is offered after the August 2026 security hotpatch update (KB5120994) is installed.
Known issues in this update
Microsoft is not currently aware of any issues with this update.
How to get this update
Install this update
To install this update, use one of the following release channels.
| Available | Next Step |
|---|---|
| ✅ | This update downloads and installs automatically from Windows update and Microsoft Update. |
File information
For a list of the files provided in this update, download the file information for KB5123607: Security Update.