ZDNET's key takeaways The January Windows update introduced a couple of new bugs.The glitches affect Windows 11 and 10 and Windows Server.Microsoft has issued emergency patches to resolve the problems.

Microsoft’s January 2026 Patch Tuesday fixes 112 CVEs, including an exploited Windows DWM zero-day, plus critical flaws across SharePoint, Office, and Windows services.

Microsoft has rushed out several out-of-band updates after January’s Patch Tuesday triggered widespread Windows problems, from broken remote desktop access and reboot loops to Outlook

Microsoft today issued patches to plug at least 113 security holes in its various Windows operating systems and supported software. Eight of the vulnerabilities earned Microsoft’s most-dire “critical” rating, and the company warns that attackers are already exploiting one of the bugs fixed today.

Microsoft releases emergency Windows updates to fix shutdown failures, Cloud PC boot issues, and Patch Tuesday stability problems.

Microsoft’s first major Windows 11 update of 2026 quickly turned into a headache for users, after widespread reports emerged of systems failing to shut down properly and remote sign-in tools suddenly becoming unusable.

Microsoft's January security updates for Windows 11 also appear to be disrupting Outlook. Microsoft is investigating problems with POP mail accounts.

Windows 11 Patch Tuesday updates for 24H2 and 25H2 reportedly break classic Outlook, causing freezes, hangs, and lost email drafts.

Windows 11 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to broken features.