Take action: January 2024 security update is now available

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MC705257 · Windows, Custom Solution Development

From Microsoft Corporation
Technical Bulletin MC705257 · Published Jan 9, 2024

Message Summary

The January 2024 security update is now available for Windows 11 and all supported versions of Windows 10. We recommend that you install these updates promptly. For more information about the contents of this update, see the release notes, which are easily accessible from the Windows 11 and Windows 10 update history pages. To learn more about the different types of monthly quality updates, see Windows monthly updates explained. To be informed about the latest updates and releases, follow us on X @WindowsUpdate.

Highlights for the Windows 11, versions 23H2 and 22H2 update: 

  • This security update includes improvements that were a part of update KB5033375 (released December 12, 2023). 
  • This update addresses an issue that causes your device to shut down after 60 seconds. This occurs when you use a smart card to authenticate on a remote system.
  • This update addresses an issue that affects the display of a smart card icon. The icon does not appear when you sign in.
  • This update addresses a known issue that might affect some Wi-Fi adapters. They might not connect to some networks.

Short on time? Watch our Windows 11 release notes video for this month’s tips.

IMPORTANT After February 2024, there are no more optional, non-security preview releases for Windows 11, version 22H2. Only cumulative monthly security updates (known as the “B” or Update Tuesday release) will continue for this version. Windows 11, version 23H2 and Windows 10, version 22H2 will continue to receive security and optional releases.

For instructions on how to install this update for your operating system, see the KB for your OS listed below: 

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