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

As reported by Windows Latest, Microsoft has now “released fixes for at least two bugs.” Specifically, the shut-down failure on older PCs running Windows 11 23H2 and a “much more widespread” remote desktop login failure affecting 24H2 and 25H2.

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

Microsoft has confirmed that the Windows 11 January 2026 Update is causing at least three major issues, rolling out fixes for two bugs.

The out-of-band patch fixes a couple of annoying bugs added to Windows 11 and 10 by Microsoft's January update.

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

Windows 11 January 2026 Update is rolling out for Windows 11 25H2, 24H2, and 23H2, as well as Windows Server 2025 and 2023.

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 rolled out the latest cumulative updates for Windows on January 13, 2026. Soon after installing the patches, users began reporting erratic behavior on both home