Windows 11 KB5049624 is released on January 14, 2025, for Windows 11 versions 22H2 and 23H2. This comprehensive guide on MiniTool will tell you everything you want to know including the improvements of this update and the ways to install it.

Windows 11 KB5049624 update is specifically for Windows 11 versions 22H2 and 23H2 and is a cumulative update for .NET Framework versions 3.5 and 4.8.1, released on January 14, 2025. The main purpose of this update is to enhance the security and reliability of the .NET Framework on Windows 11 systems.

Windows 11 KB5046732: New Features & How to Install
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This post explains to you what’s new in Windows 11 KB5046732 and how to download and install it safely and effectively.

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What’s New in Windows 11 KB5049624

This update focuses on resolving critical vulnerabilities, and its security improvements and reliability enhancements are essential to maintaining the integrity and performance of applications built on the .NET Framework. Users acknowledge the importance of security updates in maintaining the integrity of the system. Here are some new improvements in Windows 11 KB5049624.

  • Addresses an important remote code execution vulnerability, identified as CVE-2025-21176, that could allow an attacker to execute arbitrary code on a system running an affected version of the .NET Framework.
  • It also addresses a rare issue that could cause an infinite loop when a thread first enters the common language runtime (CLR).

These improvements are critical for developers and users who rely on the .NET Framework to develop applications. After knowing the improvements, the following content will teach you how to install Windows KB5049624.

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How to Install Windows KB5049624

Method 1: Install KB5049624 With Windows Update

Windows Update is a service provided by Microsoft for the Microsoft Windows operating system that automatically downloads and installs Microsoft Windows software updates through the Internet. Here is how to use the Windows Update to get the KB5049624.

Step 1: Right-click on the Start button and choose the Settings option to open it.

Step 2: In the Settings, click on Windows Update > Check for updates.

install Windows KB5049624 with Windows Update

Step 3: If any updates are available for you, click on the Download & install button. Your device will download and install the updates.

If prompted to do so, restart your device to apply the updates.

Method 2: Install KB5049624 via Microsoft Update Catalog

You can also get this update in the Microsoft Update Catalog. This is a service provided by Microsoft that provides a list of updates for Windows. You can use it as a one-stop location for finding Microsoft software updates, drivers, and patches. Work with the following steps.

Step 1: Go to the Microsoft Update Catalog. You will see the KB5049624 updates here.

Step 2: Browse the list that is displayed to select the updates that you want to download.

Step 3: Click on the Download button and hit the link in the pop-up window to download the updates.

Tips:
When updating the Windows, the original programs and files will be retained. However, in some rare cases, the update may fail due to various possible problems, which may cause the system to fail to start. Therefore, as a preventive measure, it is still recommended to properly back up important files before updating. For example, you can back up Windows 11 using MiniTool ShadowMaker.

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Recover Data Lost due to Windows Fails to Install

Some of you may encounter that Windows update deletes files. Luckily, you can restore the lost data using this free data recovery software, MiniTool Power Data Recovery. This tool supports recovering almost all types of files from different storage devices. It can also retrieve the data lost due to Windows update failure. By the way, you can use it to restore 1 GB of files without any cent. Download and install it on your computer to get started.

MiniTool Power Data Recovery FreeClick to Download100%Clean & Safe

Step 1: Launch this recovery software to enter its main interface.

Step 2: In the Logical Drives tab, find the partition where your lost data were stored. Hover the cursor to the section and click on Scan to scan for data.

Step 3: To get the best scan results, you need to wait for the process to be completed.

Step 4: When the scan ends, use the Type, Filter, and Search feature to find the required files.

Step 5: Once you locate them, tick them all and click on the Save button.

Step 6: In the pop-up window, choose a new location to store the recovered files and click on OK to begin saving.

recover lost files using MiniTool Power Data Recovery

Step 7: When the recovery finishes, a window will show up with the information of the size of the recovered files and the free remaining recovery capacity.

Tips:
When the capacity is used up, you can try upgrading to a full edition, which has no limits for data recovery. You can get it in the MiniTool Store.
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Final Thoughts

You have a better understanding of the new improvements of the Windows 11 KB5049624 and how to get this update. Remember to back up Windows before you start installing it. And if you lost data, use MiniTool Power Data Recovery to restore them.

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