Windows 10 KB5035845 Addresses 61 Security Vulnerabilities, Adds Direct Windows Share Improvements

Patch Tuesday Windows 10Patch Tuesday Windows 10

As part of the Patch Tuesday updates for March 2024, Microsoft has released KB5035845 which applies to Windows 10 22H2, and certain editions of Windows 11 v21H2. This update includes several fixes for the OS and also introduces a new minor feature that improves the Windows Share experience.

After installing this update, users will be able to directly share URLs to apps like WhatsApp, Gmail, Facebook, and LinkedIn, from Windows Share. The ability to share to X (formerly Twitter) will be added soon.

Moreover, this update also addresses a total of 61 security vulnerabilities, out of which 2 are of critical importance and address Denial of Service and Remote Code Execution vulnerabilities in Hyper-V.

Other than the security updates, KB5035845 includes only the fixes and improvements introduced with the optional update KB5034843 for February 2024.

Additionally, Microsoft reminds the users that the following editions for Windows 10 21H2 will no longer receive monthly security updates after 11th July 2024:

  • Enterprise
  • Education
  • IoT Enterprise
  • Enterprise Multi-Session

KB5035845 release summary

The table below gives a summary of the update and the updated OS builds:

Article KBOS VersionRelease DateUpdated OS Build
KB5035845Windows 10 22H212 March 202419045.4170
KB5035845Windows 10 21H212 March 202419044.4170
March 2024 Patch Tuesday Summary for Windows 10

What’s new in KB5035845

The following list of improvements and fixes are included in this release:

  • Using Windows Share, you can now directly share URLs to apps like WhatsApp, Gmail, Facebook, and LinkedIn. Sharing to X (formerly Twitter) is coming soon.
  • This update affects games you install on a secondary drive. Now, they remain installed on the drive.
  • This update affects the Windows Backup app. It will no longer show on the user interface in regions where the app is not supported.
  • This update addresses an issue that affects Azure Virtual Desktop sessions. There are delays when you sign in.
  • This update addresses an issue that affects Azure Virtual Desktop virtual machines. At random, they restart. This occurs because of an access violation in lsass.exe.
  • This update addresses an issue that affects Windows Hello for Business. You cannot use it to authenticate to Microsoft Entra ID on certain apps. This occurs when you use Web Access Management (WAM).
  • This update addresses an issue that affects Microsoft Edge. The UI is wrong for Internet Options Data Settings.
  • This update addresses an issue that affects the Japanese Input Method Editor (IME). It fails to work for custom desktops.
  • This update addresses an issue that affects Remote Desktop Web Authentication. You might not be able to connect to sovereign cloud endpoints.

With these improvements, there are also a few known issues with this release.

Known issues

Microsoft is aware of the following issues with this release:

  • Icon alignment issues with Copilot

    When you open Windows Copilot, the desktop icons get randomly rearranged with no sorting order and spread across the screen. This issue only occurs with systems in a multimonitor setup. You can take solace in the fact that the icons are reverted to their original places when you close Copilot.

    At the moment, there is no workaround for this issue. However, Microsoft has disabled Copilot in Preview on devices that have been using a multi-monitor configuration.

  • Copilot will not work if the taskbar is positioned vertically

    If you have moved the taskbar to the left or the right side of the screen and is now in a vertical position, Copilot will be inaccessible.

    At the moment, the only workaround for this issue is moving the taskbar to a horizontal position, which is either at the top of the screen or the bottom.

To learn more about this update, refer to the KB5035845 Release Notes.

Download and install KB5035845

You can download and install KB5035845 from Windows Update, or using the direct download links below.

To install the update from Windows Update on a Windows 10 PC, press the Windows Key + i to open Settings, go to “Windows Update“, and then click “Check for updates.” Once the update is available, click “Download and install.” Once installed, restart the PC to finalize it.

Note that the update may start installing automatically if you have enabled the “Get the latest updates as soon as they’re available” option.

Alternatively, you may download the .MSU files from the links provided in the “Downloads” column here:

KB ArticleWindows VersionDownload
KB5035845Windows 10 22H2x64
x86
ARM64
KB5035845Windows 10 21H2x64
x86
ARM64
Download Windows 10 Patch Tuesday updates for March 2024

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.

KB5035845 installed successfully
KB5035845 installed successfully

Windows 10 Patch Tuesday History

KB ArticleOS VersionsBuildRelease DateSignificant ChangesAnnouncement
KB503689222H2, 21H21904X.42919-Apr-24Lock screen status, Windows Spotlight as default backgroundMicrosoft Announcement of KB5036892
KB503584522H2, 21H21904X.417012-Mar-24Direct URL sharing with Windows ShareMicrosoft Announcement of KB5035845
KB503476322H2, 21H21904X.404613-Feb-24Makes OS DMA compliant, dynamic weathers widget on lock screen, other fixes and security improvementsMicrosoft Announcement of KB5034763
KB503412222H2, 21H21904X.39309-Jan-24Fixes auto-shutdown issue after authenticating from smart cardMicrosoft Announcement of KB5034122
KB503337222H2, 21H21904X.380313-Dec-23Introduced Windows Copilot to Windows 10Microsoft Announcement of KB5033372
KB503218922H2, 21H21904X.369314-Nov-23Fixes update installation issues, touchscreen, and Outlook issues.Microsoft Announcement of KB5032189
KB503135622H2, 21H21904X.357010-Oct-23Improved search box experience, animations to certain icons, several fixes and security patchesMicrosoft Announcement of KB5031356
KB503021122H2, 21H21904X.344812-Sep-23Fixes smart card authentication for domain joining, improves location detection, expands the rollout of notification badging for Microsoft accounts on the Start menuMicrosoft Announcement of KB5030211
KB502924422H2, 21H21904X.33248-Aug-23Addresses VPN issues, makes notifications more reliable, and addresses critical Remote Code Execution vulnerabilities.Microsoft Announcement of KB5029244
KB502816622H2, 21H21904X.320811-Jul-23Improvements to Microsoft Defender for Endpoint, Printer Spooler, and others.Microsoft Announcement of KB5028166
KB502721522H2, 21H21904X.308613-Jun-23Ability to sync language and region settings, address issues with LSASS, and other security improvementsMicrosoft Announcement of KB5027215
KB502636122H2, 21H2, 20H21904X.29659-May-23The ability to sync language and region settings addresses issues with LSASS, other security improvementsMicrosoft Announcement of KB5026361
KB502522122H2, 21H2, 20H21904X.284611-Apr-23Ability to sync language and region settings addresses issues with LSASS, other security improvementsMicrosoft Announcement of KB5025221
KB502369622H2, 21H2, 20H21904X.272814-Mar-23Improved Windows Spotlight experience on the lock screen, fixed AD joining issue and othersMicrosoft Announcement of KB5023696
KB502283422H2, 21H2, 20H21904X.260414-Feb-23Fixes audio issues with IoT devicesMicrosoft Announcement of KB5022834
KB502228222H2, 21H2, 20H21904X.248610-Jan-23Microsoft ODBC SQL Server Driver connectivity issue resolvedMicrosoft Announcement of KB5022282
KB502123322H2, 21H2, 21H1, 20H21904X.236413-Dec-22-Search bar will now appear by default on the taskbar
-Cortana won’t be pinned in the taskbar by default
Microsoft Announcement of KB5021233
KB501995922H2, 21H2, 21H1, 20H21904X.22518-Nov-22Fixes to Microsoft Direct3D 9 and DCOMMicrosoft Announcement of KB5019959
Changelog for Windows 10 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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