February 13, 2024—KB5034809 (Security-only update)

REMINDER

• As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 (SP1). We recommend that you upgrade to a supported version of Windows. For more information, see Update that enables you to upgrade from Windows 7 to a later version of Windows.
• Windows Server 2008 R2 Extended Security Updates (ESU) third and final year ended on January 10, 2023. Additionally, Extended Security Updates on Azure only support ended on January 9, 2024. For more information, see Extended Security Updates for Windows Server overview.

We recommend that you upgrade to a later version of Windows Server. For more information, see Learn about upgrading Windows Server.

• Windows Thin PC reached the end of support on October 12, 2021. Extended Security Updates are not available. For more information, see Windows Thin PC.
• Windows Embedded Standard 7 Extended Security Updates reached end of support on October 10, 2023. For more information, see Windows Embedded Standard 7.
• Windows Embedded POSReady 7 Extended Security Updates will end after October 8, 2024. For more information, see Windows Embedded POSReady 7.

Summary

Learn more about this security-only update, including improvements, any known issues, and how to get the update.

NOTE As of July 2020, optional non-security releases for this operating system are no longer offered. Operating systems in extended support have only cumulative monthly security updates.Verify that you have installed the required updates in theHow to get this update section before installing this update.For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, see Description of the standard terminology that is used to describe Microsoft software updates. To view other notes and messages, see the following update history home page.

Improvements

This update adds the following improvement:

• Device Metadata Retrieval Client (DMRC) support for secure download of device metadata from Device Metadata Retrieval Client (WMIS) over HTTPS.
  For more information about the resolved security vulnerabilities, please refer to the Deployments | Security Update Guide and the February 2024 Security Updates.

Known issues in this update

We are currently not aware of any issues with this update.

How to get this update

Before installing this updateWe strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.If you use Windows Update, the latest SSU (KB5034865) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.Language packsIf you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update.Learn about adding a language pack to Windows

REMINDER If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer (KB5034120).

File information

For a list of the files that are provided in this update, download the file information for update KB5034809.