Microsoft’s first Windows 11 update of 2026 stopped some computers from shutting down
- Microsoft released its first security update for Windows 11 on January 13th, but it caused some serious issues.
- The update stopped some systems from shutting down or hibernating properly and prevented users from logging in via remote desktop.
- The bug was limited to machines running Windows 11 23H2, specifically the Enterprise and IoT editions.
- Microsoft had to release an emergency out-of-band update just four days after the initial patch to fix the issue.
- This is not the first time Microsoft has released a buggy update that required an out-of-band fix; this is the latest example of such a situation.

Microsoft released its first security update of 2026 for Windows 11 on January 13th. Just four days later, it was forced to release an emergency out-of-band update to fix some pretty serious bugs, the first one introduced.
The security patch was stopping some systems from shutting down or hibernating properly, and also preventing some users from logging in via remote desktop. The impact of the shutdown bug was limited to machines still running Windows 11 23H2, and only those running either the Enterprise of IoT editions. Still, this is just the latest buggy update that has forced Microsoft to issue an out-of-band update, something that use …
Read the full story at The Verge.
Q. When was Microsoft’s first security update of 2026 released for Windows 11?
A. January 13th.
Q. Why did Microsoft release an emergency out-of-band update just four days after the initial security patch?
A. To fix serious bugs, including one that stopped some systems from shutting down or hibernating properly.
Q. Which editions of Windows 11 were affected by the shutdown bug?
A. The Enterprise and IoT editions.
Q. What was the impact of the shutdown bug on users?
A. Some users were unable to log in via remote desktop, while others experienced issues with shutting down or hibernating their systems.
Q. Why did Microsoft release an out-of-band update?
A. To fix a serious bug that caused problems for some users.
Q. How many days passed between the initial security patch and the emergency out-of-band update?
A. Four days.
Q. What was the purpose of the out-of-band update?
A. To address a critical issue with Windows 11 23H2 editions.
Q. Which edition of Windows 11 was not affected by the shutdown bug?
A. The Home and Pro editions (not specified in the text, but implied as not being affected).
Q. Why is this update considered “buggy”?
A. It introduced a serious bug that caused problems for some users.
Q. What source reported on this issue?
A. The Verge.