KB5035856 is the latest cumulative update for Windows Server 2022 23H2 edition. It was released on March 12 2024. It was released under the ‘Patch Tuesday’ project of Microsoft.
Salient points
- KB5035856 is a cumulative update that supersedes the KB5034769 update.
- KB5034769 is the cumulative update for Windows Server 2022 23H2 edition. You can read details of the KB5034769 cumulative update on the KB5034769 page.
- KB5035856 corresponds to the server build 25398.763.
- KB5034769 corresponds to the server build 25398.709.
- Upgrading from KB5034769 to KB5035856 implies you are upgrading from build 709 to build 763.
- Servicing Stack Update 25398.760 corresponds to KB5035856. This Servicing Stack Update was released in March 2024.
- The Servicing Stack Update for Windows Server 2022 23H2 edition is part of the cumulative update. Separate installation of the SSU is not needed on Windows Server 2022 23H2 edition.
- Windows Server 2022 23H2 edition is affected by 37 security vulnerabilities.
- Two CRITICAL security vulnerabilities impact Windows Server 2022 23H2 edition.
Download KB5035856
KB5035856 can be applied automatically using one of the following methods:
- Windows Update
- Windows Update for Business
- WSUS or Windows Server Update Services
WSUS remains the most preferred method to automatically deploy security and cumulative updates.
For automated deployments, the Servicing Stack Update 25398.760 will be automatically installed as part of the installation of the KB5035856 cumulative update on Windows Server 2022 23H2 edition.
For manual deployment of KB5035856, you will need to follow a 1-step process.
- Download and install KB5035856 cumulative update.
The download of the cumulative update can be completed from the Microsoft Update Catalog site. The installer is available as an offline installer file in the .MSU format for Windows Server 2022 version 23H2.
Download KB5035856
KB5035856 for Windows Server 2022 version 23H2 can be downloaded from the Microsoft Update Catalog site. Or, you could use the direct download link below.
- Download KB5035856 from the Microsoft Update Catalog site
- Direct download link for KB5035856 for Windows Server 2022 version 23H2
The size of the cumulative update KB5035856 file for the 23H2 version of Windows Server 2022 is 99.1 MB. KB5035856 will cause a server reboot. Please plan for implementation as part of an organized change management process.
If you have already deployed KB5034769 on the Windows Server 2022 23H2 edition, only the incremental changes of KB5035856 will be downloaded and installed as part of the update process. This process will be swift and short.
Vulnerabilities
37 security vulnerabilities affect the Windows Server 2022 23H2 edition. This is based on the March 2024 security reports. 2 of these vulnerabilities are CRITICAL severity vulnerabilities.
We have listed the CRITICAL vulnerabilities for Windows Server 2022 23H2 edition below.
CRITICAL Vulnerabilities
The two CRITICAL security vulnerabilities on Windows Server 2022 23H2 edition are listed below.
| CVE details | CVSS | Impact | Description |
|---|---|---|---|
| CVE-2024-21407 | 8.1 | Remote Code Execution | The threat affects Windows Hyper-V. This vulnerability would require an authenticated attacker on a guest VM to send specially crafted file operation requests on the VM to hardware resources on the VM which could result in remote code execution on the host server. Successful exploitation of this vulnerability requires an attacker to gather information specific to the environment and take additional actions prior to exploitation to prepare the target environment. |
| CVE-2024-21408 | 5.5 | Denial of Service | This Denial of service threat affects |
KB5035856 Changelog
The following changes or improvements are part of the KB5035856 cumulative update for Windows Server 2022 23H2 edition:
- This update addresses an issue that affects Windows Defender Application Control (WDAC). It prevents a stop error that occurs when you apply more than 32 policies.
- This update addresses an issue that makes the troubleshooting process fail. This occurs when you use the Get Help app.
Rajesh Dhawan is a technology professional who loves to blog about smart wearables, Cloud computing and Microsoft technologies. He loves to break complex problems into manageable chunks of meaningful information.