Windows 11 KB5033375 Released With Copilot Support On Multi-Display Setup

Patch Tuesday Windows 11Patch Tuesday Windows 11

Microsoft has released cumulative security updates for Windows 11 22H2 and 23H2. The KB article KB5033375 is a security update that is part of the Patch Tuesday releases for December 2023. Installing this update will upgrade your operating system’s build to 22621.2861 and 22631.2861, respectively.

A total of 35 vulnerabilities are addressed by KB5033375, including one security advisory. Note that 4 of these fixes are critical, and most address Remote Code Execution, Elevation of Privilege, Information Disclosure, and Denial of Service vulnerabilities across various apps and protocols.

If you installed the previous optional update KB5032288, then this update will only include the remaining improvements, which are the security fixes. Other than that, the fixes and improvements are exactly the same.

Release Summary: KB5033375

  • KB Article: KB5033375
  • Update Type: Cumulative Update (Patch Tuesday)
  • OS Version: Windows 11 versions 22H2, 23H2
  • OS Build: 226X1.2861
  • Size: 622.5 MB
  • Release Date: 12th December 2023

What’s new in KB5033375

This update includes the same fixes and improvements included in November’s optional non-security update, KB5032288, which mostly emphasizes making improvements to Copilot. The following list of improvements and fixes are implemented with this Windows update:

  • Changes and improvements to Copilot

    • You can use Copilot in Windows across multiple displays. Press the Copilot in Windows taskbar button on the taskbar of the display where you want Copilot in Windows to appear. To show Copilot in Windows on the last display that it was on, press the Windows key + C shortcut keys. If you use a keyboard, press the Windows key + T key combo to put the keyboard focus on the taskbar. Then go to the Copilot in Windows button to open it on any display. This is available to a small audience initially and deploys more broadly in the months that follow.
    • You can use Copilot in Windows (in preview) with Alt + Tab. When you press this key combination, the thumbnail preview for Copilot in Windows appears among other thumbnail previews of open windows. You can switch between them using the Tab keystroke. This is available to a small audience initially and deploys more broadly in the months that follow.
    • You can ask Copilot in Windows (in preview) for help ten times when you sign in to Windows using a local account. After that, you must sign in using a verified account. These include a Microsoft account (MSA) and Azure Active Directory (Azure AD).
    • This update improves how fast Copilot in Windows (in preview) opens from the taskbar.
    • This update addresses an issue that affects the Copilot in Windows (in preview) icon on the taskbar. It does not show as active when Copilot in Windows is open.
  • Other improvements and fixes

    • In the coming weeks, you might see Windows Spotlight set as the default background. This might occur when your background is set to an inbox Windows image.
    • This update starts the rollout of account-related notifications for Microsoft accounts in Settings >Home.
    • This update addresses an issue that causes IE mode to stop responding. This occurs if you press the left arrow key when an empty text box has the focus and caret (cursor) browsing is on.
    • This update addresses an issue that causes IE mode to stop responding. This occurs when you have multiple IE mode tabs open.
    • This update affects Dynamic Lighting. It reduces the amount of power it uses on your device.
    • This update addresses an issue that might affect the cursor when you write in Japanese. The cursor might move to an unexpected place.
    • This update addresses an issue that affects the cursor. Its movement lags in some screen capture scenarios.
    • This update addresses an issue that affects the Widgets notification badge. It is in the wrong position on the taskbar.
    • This update addresses an issue that affects File Explorer. When you press Shift + F10, the shortcut (context) menu does not open.
    • This update addresses an issue that affects File Explorer windows. When you do not expect them, they appear in the foreground.
    • This update addresses an issue that affects File Explorer. The options in the left pane show the wrong state.
    • This update addresses an issue that affects apps that you download from Microsoft Store. They stop responding and will not update.
    • This update affects the shortcut (context) menu. Its performance is now better when you open it on the desktop and in File Explorer.
    • This update addresses an issue that affects the Narrator. It fails to open on the Setup screen when you install Windows.
    • This update addresses an issue that affects .RAR files. They display as if they are empty in File Explorer.
    • This update affects the Netherlands time zone. It adds the recent man-made landmass outside of Rotterdam to the shape files.
    • This update addresses an issue that affects the Trusted Sites Zone logon policy. You cannot manage it using mobile device management (MDM).
    • This update addresses an issue that affects IE mode. A webpage stops working as expected when there is an open modal dialog.
    • This update addresses app cursor issues. The cursor changes from a hand to a cursor when it should not, or the cursor disappears. These issues occur when apps use the WebView2Standalone XAML control.
    • This update addresses an issue that affects remote direct memory access (RDMA) performance counters. They did not return networking data on VMs in the right way.
    • This update addresses an issue that affects 32-bit GDI-based applications. They stop responding. This occurs when they run on 64-bit Windows OSs that use more than 2 GB of memory.
    • This update addresses an issue that might affect Microsoft OneNote. When you use a pen right-click to open it, that might fail.
    • This update addresses an issue that affects the Advanced Audio Coding (AAC) decoder. It does not work well on some websites that set the wrong input sampling rate.
    • This update addresses an issue that affects hardware that uses the PresentAt feature. Power use grows when you play a video in full screen.
    • This update addresses an issue that affects the Systems Settings application. It stops responding after you turn off Device Encryption.
    • This update affects Microsoft Defender for Endpoint (MDE). It enables Conditional Access (CA) scenarios.
    • This update addresses an issue that stops you from reconnecting to an existing Remote Desktop session. Instead, you get a new one.
    • This update addresses an issue that affects Windows LAPS. Its PasswordExpirationProtectionEnabled policy fails to turn on the setting.
    • This update addresses a leak in volatile notifications. This might stop you from signing in to your machine.
    • This update addresses an issue that affects Windows Sandbox. If the locale of your machine is not US English, File Explorer stops responding.
    • This update addresses an issue that affects Remote Desktop web authentication. This issue might stop you from connecting to sovereign cloud endpoints.
    • This update addresses an issue that affects certain PCs. It stops them from downloading speech recognition packages.

To learn more about what’s included in KB5033375, refer to its Release Notes.

With these improvements, there are also some known issues that you ought to be aware of before installing this update. To learn in detail what the issues are and their workarounds, read the dedicated post linked below:

Windows 11 known issues

Download and Install KB5033375

You can install these updates on a Windows 11 PC through Windows Update as well as a standalone installer.

Download and install Windows 11, or check if your system meets the minimum hardware requirements for Windows 11.

Offline installers

Click on the respective link in the “Downloads” column to download the KB article for your OS version

KB articleWindows 11 versionDownloads
KB503337523H2x64
ARM64
KB503337522H2x64
ARM64
Download KB5033375 for Windows 11

To install the update, simply run the downloaded MSU file and Windows will automatically install the update. To download any other updates related to any of the above, please check the Microsoft Catalog.

Windows Update

To install this update via Windows Update, you need to be running Windows 11 version 22H2 or 23H2. To check your version of the operating system, run the “winver” command in the Run Command box.

Once ensured you have the correct OS version, perform the following steps to install KB5033375:

  1. Press the Windows Key + i shortcut keys to open the Settings app.

  2. Click “Windows Update” on the left.

  3. Here, click “Check for updates.”

    Check for pending Windows 11 updates
    Check for pending Windows 11 updates

    You should see the following update downloading and installing automatically:

    2023-12 Cumulative Update for Windows 11 Version 2XH2 for x64-based Systems (KB5033375)
    
  4. Once installed, click “Restart now.”

    Restart computer 1
    Restart computer

Once the computer restarts, the update will be successfully installed. To confirm this, check the updated build number by running the “winver” command in the Run Command box again.

KB5033375 installed successfully
KB5033375 installed successfully

Rollback/Remove Windows 11 Cumulative Update

If you do not wish to keep the installed update for some reason, you can always roll back to the previous build of the OS. However, this can only be performed within the next 10 days after installing the new update.

To roll back after 10 days, you will need to apply this trick.

Cleanup After Installing Windows Update

If you want to save space after installing Windows updates, you can run the following commands one after the other in Command Prompt with administrative privileges:

dism.exe /Online /Cleanup-Image /AnalyzeComponentStore
dism.exe /Online /Cleanup-Image /StartComponentCleanup
Cleanup after Windows update installation
Cleanup after Windows update installation

Block KB5033375 from installing

Since these are mandatory updates, they will download and install themselves on the schedule. If you want to block them from installing, temporarily or permanently, you can follow the steps below:

Note: This tool will soon be retiring.

  1. Download the “Show or hide updates” tool from Microsoft.

  2. Run the utility and click Next to start the scanning process.

    Show or hide updates
    Show or hide updates
  3. Next, click the “Hide updates” button.

    Hide updates
    Hide updates
  4. Select the update(s) you want to block and click Next.

    Select the update to hide/block
    Select the update to hide/block

    This automatically hides the update from Windows Update and it will not be installed during the next update process .

  5. Click the Close button.

If you want to unhide or show hidden updates, run the tool again and select “Show hidden updates” instead of “Hide updates.” The rest of the process is the same.

Windows 11 KB5033375 hands-on experience

Since Microsoft focused on making the Copilot feature better with this update, I decided to focus on it as well. Henceforth, I tested out everything that they mentioned in this update, and to my surprise, it all worked!

Since I have a double-monitor setup, I decided to check whether I could open Copilot on the secondary screen. As mentioned by Microsoft in the release notes for this update, Copilot was opening in the display that was in focus.

Additionally, now I could also rotate around Copilot, just as with any other Windows app, using the ALT + Tab shortcut keys.

Windows 11 Patch Tuesday History

KB ArticleOS VersionBuildRelease DateSignificant ChangesAnnouncement
KB503476523H2, 22H2226X1.315513-2-24Fixed Narrator, search in Start menu, and more. Moved Copilot icon in taskbar to the rightMicrosoft announcement of KB5034765
KB503412323H2, 22H2226X1.30079-Jan-23Improved weather widget on lock screen, fixed Wi-Fi connectivity issue for education and corporate usersMicrosoft announcement of KB5034123
KB503337523H2, 22H2226X1.286112-Dec-23Copilot improvements, Windows Spotlight to be the default backgroundMicrosoft announcement of KB5033375
KB503219023H2, 22H2226X1.2715 14-Nov-23Enable Moment 4 features, addresses zero-day vulnerabilities, introduces issues with Copilot and COLRv1.Microsoft announcement of KB5032190
KB503135422H222621.242810-Oct-23Introduces Copilot and Dev Drives, new voice access commands, improvements to Settings app and File ExplorerMicrosoft announcement of KB5031354
KB503021922H222621.228312-Sep-23Improved Search app, search flyout box on hover, easily tab through search resultsMicrosoft announcement of KB5030219
KB502926322H222621.21348-Aug-23Addresses VPN issues, more accurate brightness levels, notifications more reliableMicrosoft Announcement of KB5029263
KB502925321H222000.22958-Aug-23Addresses VPN issues, reliable notificationsMicrosoft Announcement of KB5029253
KB502818522H222621.199211-Jul-23Share local files with Outlook contacts, 78 vulnerabilities addressesMicrosoft Announcement of KB5028185
KB502818221H222000.217611-Jul-23Announcement of some Windows 11 22H2 editions EOL, share local files with Outlook contacts Microsoft Announcement of KB5028182
KB502723122H222621.184813-Jun-23Fixes a known issue with 32-bit apps, addresses a Windows kernel information disclosure vulnerabilityMicrosoft Announcement of KB5027231
KB502722321H222000.205713-Jun-23Fixes a known issue with 32-bit apps, addresses a Windows kernel information disclosure vulnerabilityMicrosoft Announcement of KB5027223
KB502637222H222621.17029-May-23Option to get the latest non-security updates immediately, new animations in the Widgets iconsMicrosoft Announcement of KB5026372
KB502636821H222000.19369-May-23Addresses issues with LSASS and other fixesMicrosoft Announcement of KB5026368
KB502523922H222621.155511-Apr-23Microsoft account notifications in the Start menu, the search box will be lighter in a custom color theme, and a plethora of fixesMicrosoft Announcement of KB5025239
KB502522421H222000.181711-Apr-23Fixes known issues with kiosk devicesMicrosoft Announcement of KB5025224
KB502370622H222621.141314-Mar-23AI Bing search box, iOS linking, tabbed notepad, screen recording from Snipping Tool, redesigned Quick AssistMicrosoft Announcement of KB5023706
KB502369821H222000.169614-Mar-23Phase three of DCOM hardening, other fixesMicrosoft Announcement of KB5023698
KB502284522H222621.126514-Feb-23.NET Framework updates integrated into UUP-based feature updatesMicrosoft Announcement of KB5022845
KB502283621H222000.157414-Feb-23– Combines Windows Spotlight with Themes on the Personalization page
– Multiple changes to the Accounts Settings page
Microsoft Announcement of KB5022836
KB502230322H222621.110510-Jan-23– ODBC Connectivity with SQL Server fixed.
– Local Session Manager security issues fixed
Microsoft Announcement of KB5022303
KB502228721H222000.145510-Jan-23– ODBC Connectivity with SQL Server fixed.
– Local Session Manager security issues fixed
Microsoft Announcement of KB5022287
KB502125522H222621.96313-Dec-22-UI discrepancies in Task Manager are fixed
-DPAPI decryption issue is fixed
Microsoft Announcement of KB5021255
KB5021234 21H222000.133513-Dec-22-UI discrepancies in Task Manager are fixed
-DPAPI decryption issue is fixed
Microsoft Announcement of KB5021234
KB501998022H222621.8198-Nov-22Task Manager option added to taskbar’s context menuMicrosoft Announcement of KB5019980
KB501996121H222000.12198-Nov-22Task Manager option added to taskbar’s context menuMicrosoft Announcement of KB5019961
Changelog for Windows 11 Patch Tuesday updates
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Subhan Zafar is an established IT professional with interests in Windows and Server infrastructure testing and research, and is currently working with Itechtics as a research consultant. He has studied Electrical Engineering and is also certified by Huawei (HCNA & HCNP Routing and Switching).

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