KB5043080

September 10, 2024—KB5043080 (OS Build 26100.1742)

Applies To

Windows 11 version 24H2, all editions

Release Date:

9/10/2024

Version:

OS Build 26100.1742

For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types.

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Important: Windows 11, version 24H2 targets Copilot+ PCs and devices that previously used Windows Insider 24H2 builds.

Highlights

• This update addresses security issues for your Windows operating system.

Improvements

This security update includes improvements that were a part of update KB5041865 (released August 27, 2024). Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting.

• [Windows Installer] When it repairs an application, the User Account Control (UAC) does not prompt for your credentials. After you install this update, the UAC will prompt for them. Because of this, you must update your automation scripts. Application owners must add the Shield icon. It indicates that the process requires full administrator access. To turn off the UAC prompt, set the HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer\DisableLUAInRepair registry value to 1. The changes in this update might affect automatic Windows Installer repairs; see [Application Resiliency: Unlock the Hidden...