Windows 10: Microsoft Pushes Second Emergency Windows 11 Update After Patch Tuesday Fallout

Another out-of-band fix rolls out


Microsoft has issued a second emergency out-of-band update for Windows 11 to address serious bugs introduced by January 2026’s Patch Tuesday updates. The new update, KB5078127, is now rolling out globally.

The latest fix targets a problem that left several popular apps unusable after installing recent security updates.

Outlook and cloud apps were breaking


According to Microsoft, the bug caused applications that rely on cloud storage to become unresponsive or fail outright. Affected apps included Outlook, OneDrive, and Dropbox.

In some cases, Outlook would hang on launch, refuse to reopen, or re-download old emails. Until now, Microsoft’s only workaround was uninstalling the January security updates — something few users want to do.

KB5078127 replaces that workaround and bundles fixes from both the January 13 Patch Tuesday release and the first emergency update issued on January 17.

A messy Patch Tuesday cycle


This is the second emergency update Microsoft has released in a single week. The first out-of-band patch fixed issues that prevented some systems from shutting down or using Remote Desktop — but it also introduced the app-breaking bug now being addressed.

The repeated emergency fixes highlight ongoing quality problems with Windows updates, especially for Windows 11 users running recent versions.

What users should do


If you were affected by frozen cloud apps or Outlook issues after January’s updates, installing KB5078127 should resolve the problem without rolling back security patches. Microsoft says the same fix is also being applied to other supported Windows versions.

For now, all eyes are on February’s Patch Tuesday, as Microsoft looks to restore confidence after a particularly rocky update cycle.

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Patch tuesday Windows Update

After build 22000.282, but patch tuesday, update third build windows 11 22000.278, it is correct?

 

Microsoft's infamous 'Patch Tuesday' addresses seven flaws

Yesterday, Microsoft patched seven problems with Windows XP SP2. The three updates that were marked "critical"-

• An update to Windows Internet Explorer 7
• Windows Media Player patch
• Visual Studio 2005 fix

The last four updates marked "important" fix flaws in Outlook Express, the SNMP network management protocol, fix privelage problems, and patch a problem with remote installation services. You can read a full rundown of December's Patch Tuesday here. A recent flaw discovered in Microsoft Word remains unpatched.

Source: The Register

 

Emergency Update

Microsoft rarely issues emergency patches outside of Patch Tuesday, which is the second Tuesday of each month. If you're wondering how serious this vulnerability is, Homeland Security has also issued an advisory telling users to download the patch immediately.

The vulnerability was discovered by Google’s Threat Analysis Group.

How do I patch this.