Security News > 2021 > February > Microsoft pulls Windows KB4601392 for blocking security updates

Microsoft has pulled a problematic Windows servicing stack update after blocking Windows 10 and Windows Server customers from installing the security updates released during this month Patch Tuesday.

Servicing stack updates are designed to provide fixes to the Windows servicing stack, the component used by the OS to correctly receive and install updates.

The bug was observed by customers who tried installing the February 9 security updates on systems running Windows Server 2016 and all editions of Windows 10, version 1607, after the installation progress was halted.

"After installing the SSU KB4601392, installation of the Cumulative Update from Windows Update might not progress past 24%," Microsoft said when describing the issue.

Microsoft also pulled the KB4601392 SSU and stopped offering to devices through Windows Update or through the Microsoft Update Catalog.

Mitigation for systems with the problematic SSU. Even though SSUs cannot be uninstalled from devices where they've been deployed since they make changes to how updates are installed, Microsoft says that users who have already installed KB4601392 can reset update components using a simple procedure.

News URL

https://www.bleepingcomputer.com/news/microsoft/microsoft-pulls-windows-kb4601392-for-blocking-security-updates/