Microsoft has launched the necessary Home windows 11 23H2 KB5043076 cumulative replace to repair safety vulnerabilities and make 19 enhancements.
KB5043076 is a compulsory Home windows 11 cumulative replace containing the September 2024 Patch Tuesday safety updates that repair 79 vulnerabilities and 4 actively exploited zero-days.
Home windows 11 customers can set up at the moment’s replace by going to Begin > Settings > Home windows Replace and clicking on ‘Test for Updates.’

Supply: BleepingComputer
Home windows 11 customers may also manually obtain and set up the replace from the Microsoft Replace Catalog.
What’s new within the Home windows 11 KB5043076
At the moment’s Home windows 11 KB5043076 replace incorporates nineteen fixes and adjustments, together with quite a few bugs in File Explorer.
The highlighted fixes and new options on this replace are:
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[Windows Installer] When it repairs an software, the Person Account Management (UAC) doesn’t immediate on your credentials. After you put in this replace, the UAC will immediate for them. Due to this, you need to replace your automation scripts. Software homeowners should add the Defend icon. It signifies that the method requires full administrator entry. To show off the UAC immediate, set the HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsInstallerDisableLUAInRepair registry worth to 1. The adjustments on this replace would possibly have an effect on automated Home windows Installer repairs; see Software Resiliency: Unlock the Hidden Options of Home windows Installer.
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[Widgets Board] We’re rolling out an replace to the Widgets Board to enhance safety and the APIs for creating widgets and feeds for customers in EEA areas. As a part of this replace, the Microsoft Begin Experiences app will energy the Microsoft Begin widget and feed experiences. Additionally, as a part of this replace, some present widgets will probably be eliminated and others will probably be modified, quickly affecting their performance. This replace units the inspiration for brand new widgets and different options in improvement, set to roll out quickly.
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[Windows Share] New! Now you can share content material to your Android system from the Home windows Share window. To do that, you need to pair your Android system to your Home windows PC. Use the Hyperlink to Home windows app in your Android system and Telephone Hyperlink in your PC.
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[File Explorer]
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While you press Home windows brand key + E, a display screen reader would possibly say a pane has focus, or the main focus may not be set in any respect.
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While you press Ctrl + F, typically the search doesn’t begin.
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Keyboard focus typically would possibly get misplaced once you press Shift + Tab.
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Display screen readers don’t announce once you open or browse gadgets which might be in a breadcrumb of the Open or Save dialog.
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Display screen readers don’t announce once you open or browse gadgets within the column header.
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[Narrator] This replace makes scan mode reply faster. That is particularly useful once you use Microsoft Edge and browse massive paperwork. To make use of scan mode, you need to activate Narrator first (Home windows brand key + Ctrl + Enter). Then, activate scan mode by urgent Caps lock + Spacebar throughout a Narrator session.
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[Battery life] Some GPUs can not enter the low energy state. This results in excessive energy utilization that reduces battery life.
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[FrameShutdownDelay] The browser ignores its worth within the “HKLMSOFTWAREMicrosoftInternet ExplorerMain” registry key.
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[Domain Name System (DNS)] A impasse happens within the area controller (DC) when it begins up within the DNS consumer.
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[OpenSSH] This replace provides a immediate that asks you to verify once you activate OpenSSH utilizing the Server Supervisor UI.
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[Unified Write Filter (UWF) and Microsoft System Center Configuration Manager (SCCM)] An SCCM process to re-enable UWF fails due to a impasse in UWF. This stops the system from restarting once you count on it.
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[vmswitches] They fail to enumerate utilizing Get-VMSwitch command.
After putting in at the moment’s KB5043076 replace, Home windows 11 23H2 will probably be 22631.4169, and Home windows 11 22H2 will change its construct quantity to 22621.4169.
Microsoft is barely conscious of 1 problem in Home windows 11, which is for dual-boot setups for Home windows and Linux. Attributable to a safety replace launched final month, some customers who’re dual-booting might obtain a “Verifying shim SBAT information failed: Safety Coverage Violation. One thing has gone significantly unsuitable: SBAT self-check failed: Safety Coverage Violation.” error when booting into Linux.
You possibly can overview final month’s Home windows 11 KB5041865 preview replace bulletin for an entire listing of adjustments on this cumulative replace.