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Microsoft Patch Tuesday Updates for Windows 11 and 10 (March 2024)

This month's Patch Tuesday fixes two critical vulnerabilities CVE-2024-21407 and CVE-2024-21408, which affect Hyper-V and could result in remote code execution and a DoS condition, respectively.

In the latest edition of Microsoft Patch Tuesday Update March 2024, Microsoft has taken significant steps to enhance the security of its systems by addressing a total of 61 vulnerabilities. Among them, two of which are rated as critical impact on Windows Hyper-V that could lead to denial-of-service (DoS) and remote code execution. The remaining 58 are rated Important, and one is rated Low in severity.

Two critical flaws today patched by Microsoft:

  • CVE-2024-21407 (CVSS score: 8.1) – Windows Hyper-V Remote Code Execution Vulnerability
  • CVE-2024-21408  (CVSS score: 5.5) – Windows Hyper-V Denial of Service Vulnerability

All this little world is corrected through various cumulative updates

You can search for Windows updates and hit the check for updates button to get the latest Windows updates installed on your device.

windows 11 KB5035853

Microsoft Patch Tuesday Update March 2024

The March edition of Microsoft Patch Tuesday encompasses a wide range of updates aimed at addressing vulnerabilities across various components and applications. Key areas receiving patches include Microsoft Office and Components, Microsoft Azure Kubernetes Service, Microsoft Dynamics, Microsoft Windows Codecs Library, Visual Studio Code, Windows Cloud Files Mini Filter Driver, and more.

Two critical Vulnerabilities Patched

The March Patch Tuesday update from Microsoft addresses several significant vulnerabilities, including two Critical vulnerabilities impacting Windows Hyper-V that could lead to denial-of-service (DoS) and remote code execution.

CVE-2024-21407 – Windows Hyper-V Remote Code Execution Vulnerability:

CVE-2024-21407 is a big problem for Windows Hyper-V. It lets a bad guy who’s already logged into a virtual machine (VM) take control of the main server. They can do this by tricking the VM into messing with certain parts of the computer’s hardware. Even though it’s a serious issue, nobody’s used it for attacks yet.

CVE-2024-21408 – Windows Hyper-V Denial of Service Vulnerability:

CVE-2024-21408 is another issue with Hyper-V, but it’s not as bad as the first one. Even though it’s considered critical, it’s less likely that hackers will actually try to use it to break into systems. So, it’s still important to fix, but it’s not causing as much immediate concern as the first one.

For windows 11 and windows 10

For the client OS, KB5035853 for Windows 11 version 23H2 advances the build number to 22631.3296. And KB5035845 for Windows 10 22H2 bumps to OS build 19045.4170.

KB5035845, for Windows 10 versions 22H2 and 21H2 not only brings essential fixes and enhancements but also introduces features aimed at compliance with the Digital Markets Act (DMA). Among the notable additions is the option to easily share files to popular apps like WhatsApp, Gmail, and LinkedIn directly from Windows Share. Additionally, this update addresses issues related to game installations on secondary drives, Furthermore, the unsupported Windows Backup app has been removed from the UI.

Windows 11 KB5035853 update address KB5034765 “0x800F0922” install bug, which some users encountered during the installation process. It also brings Windows 11 Moment 5 features and enhances the user experience with new functionalities and improvements. Moreover, the update addresses various other issues, including Notepad opening issues for standard users, enabling the opening of 8 Zip archives in File Explorer, resolving Azure Virtual Desktop random restarts and stop errors, correcting Microsoft Edge UI issues, ensuring proper notifications for eSIM profile deletion, fixing Remote Desktop Web Authentication connectivity issues.

These updates are crucial for enhancing the security and stability of Microsoft’s ecosystem, including Edge Chromium-based products, by patching potential vulnerabilities and mitigating security risks.

You can read the complete changelog here KB5035853 and KB5035845

Here are the direct links for a download and a manual installation.

If you are looking to download Windows 10 ISO, you can get it from here.

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