Microsoft releases emergency OOB update to fix Outlook freezes
Recorded: Jan. 25, 2026, 4 a.m.
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Microsoft releases emergency OOB update to fix Outlook freezes News Featured Fortinet confirms critical FortiCloud auth bypass not fully patched Okta SSO accounts targeted in vishing-based data theft attacks Hackers exploit critical telnetd auth bypass flaw to get root Hackers get $1,047,000 for 76 zero-days at Pwn2Own Automotive 2026 Microsoft releases emergency OOB update to fix Outlook freezes Sandworm hackers linked to failed wiper attack on Poland’s energy systems Konni hackers target blockchain engineers with AI-built malware A lifetime of multi-device ad blocking is just $40 in this deal Tutorials Latest How to access the Dark Web using the Tor Browser How to enable Kernel-mode Hardware-enforced Stack Protection in Windows 11 How to use the Windows Registry Editor How to backup and restore the Windows Registry How to start Windows in Safe Mode How to remove a Trojan, Virus, Worm, or other Malware How to show hidden files in Windows 7 How to see hidden files in Windows Webinars Latest Qualys BrowserCheck STOPDecrypter AuroraDecrypter FilesLockerDecrypter AdwCleaner ComboFix RKill Junkware Removal Tool Deals Categories eLearning IT Certification Courses Gear + Gadgets Security VPNs Popular Best VPNs How to change IP address Access the dark web safely Best VPN for YouTube Forums Virus Removal Guides HomeNewsMicrosoftMicrosoft releases emergency OOB update to fix Outlook freezes Microsoft releases emergency OOB update to fix Outlook freezes By Lawrence Abrams January 24, 2026 Microsoft has released emergency, out-of-band updates on Saturday for Windows 10, Windows 11, and Windows Server to fix an issue that prevented Microsoft Outlook classic from opening when using PSTs stored in cloud storage. "After installing Windows updates released on or after January 13, 2026 (the Originating KBs listed above), some applications might become unresponsive or experience unexpected errors when opening files from or saving files to cloud-backed storage, such as OneDrive or Dropbox," explains Microsoft. 7 Security Best Practices for MCP Related Articles: Emergency Update Lawrence Abrams Previous Article Post a Comment Community Rules You need to login in order to post a comment Not a member yet? Register Now You may also like: Popular Stories Fortinet admins report patched FortiGate firewalls getting hacked Hackers breach Fortinet FortiGate devices, steal firewall configs Zendesk ticket systems hijacked in massive global spam wave Sponsor Posts Discover how phishing kits are sold and deployed. Download the full research report. Identity Governance & Threat Detection in one: Get a guided tour of our platform Overdue a password health-check? Audit your Active Directory for free Exposure Management Index: Insights From 3,000+ Teams. Get The Report. Upcoming Webinar Follow us: Main Sections News Community Forums Useful Resources Welcome Guide Company About BleepingComputer Terms of Use - Privacy Policy - Ethics Statement - Affiliate Disclosure Copyright @ 2003 - 2026 Bleeping Computer® LLC - All Rights Reserved Login Username Password Remember Me Sign in anonymously Sign in with Twitter Not a member yet? Register Now Help us understand the problem. What is going on with this comment? Spam Abusive or Harmful Inappropriate content Strong language Other Read our posting guidelinese to learn what content is prohibited. Submitting... |
Microsoft released an out-of-band (OOB) update to address stability issues experienced by users of the classic Outlook application, specifically when utilizing PST files stored in cloud storage services such as OneDrive and Dropbox. The updates, designated as KB5078127, KB5078132, KB5078129, KB5078136, KB5078135, and KB5078131, targeted Windows 10, Windows 11, and Windows Server, resolving a freeze issue that arose following the January 2026 Patch Tuesday updates. The core problem stemmed from inconsistencies between the application’s behavior when accessing or saving files from cloud-backed storage, leading to unresponsive applications and, in some instances, a failure to properly save sent emails or re-download previously downloaded emails. This issue predominantly affected classic Outlook, a licensing model commonly associated with enterprise environments and distinguished from the newer Outlook application. The updates aimed to mitigate these disruptions by enhancing the application's interaction with cloud storage, promoting stability and preventing the observed freezes. Simultaneously, the OOB updates concurrently addressed previous stability issues related to Microsoft 365 Cloud PC sessions and prevented Windows PCs with Secure Launch enabled from failing to shut down or entering hibernation. Users experiencing the reported freezes were instructed to install these updates via Windows Update or the Microsoft Download Catalog. Microsoft’s decision to release these immediate fixes underscores the importance of rapid responsiveness to user-reported issues, particularly those impacting critical productivity applications like Outlook. The OOB update strategy reflects a commitment to provide timely resolutions, regardless of the scheduled Patch Tuesday release cycle. The release highlights the continued need for organizations to diligently monitor updates and proactively address any disruptions to their IT infrastructure. The situation emphasizes the evolving landscape of email application stability, as users increasingly rely on cloud-based solutions for data storage and access. The resolution paves the way for greater confidence in using classic Outlook within enterprise settings. The inclusion of previously addressed issues related to Microsoft 365 Cloud PC sessions and Secure Launch further strengthens the overall stability of the Windows ecosystem. The response also demonstrates Microsoft’s commitment to a collaborative approach to software maintenance, proactively soliciting and addressing user feedback via channels such as community forums and news outlets like Bleeping Computer. These updates serve as a valuable case study in the importance of continuous monitoring, rapid response, and effective communication within the software development lifecycle. |