Microsoft has released an emergency update to address a critical issue affecting Windows 10 devices with specific Intel processors.
The update (KB5061768) fixes a problem introduced in the May 13, 2025 security update that was causing unexpected system failures and forcing users to enter BitLocker recovery keys.
This fix comes as Microsoft continues its regular update cycle for Windows 10, which is approaching its end-of-support date later this year.
The emergency update addresses a severe problem specifically impacting devices with Intel Trusted Execution Technology (TXT) enabled on 10th generation or later Intel vPro processors.
After installing the May 13, 2025 Windows security update (KB5058379), affected systems experienced unexpected termination of the Local Security Authority Subsystem Service (LSASS) process.
This critical process failure would trigger Windows Automatic Repair, prompting users to enter their BitLocker recovery key to regain access to their systems.
For many enterprise users, this resulted in increased support calls and potential data access issues when recovery keys weren’t readily available.
Microsoft labeled this as a known OS Security issue in their documentation, acknowledging the severity of the problem for business customers who typically deploy these high-security configurations.
Update Deployment and Installation
The emergency fix is available through multiple distribution channels, though with some limitations.
Users can access the update through Windows Update and for business deployments, but notably, it isn’t being distributed through Windows Server Update Services.
System administrators needing to deploy the fix across enterprise environments can download it directly from the Microsoft Update Catalog.
The update includes the latest servicing stack update (SSU KB5058526, versions 19044.5853 and 19045.5853), which Microsoft now bundles with cumulative updates to improve the reliability of the update process.
For offline OS image servicing, administrators should note that if their image doesn’t have the July 25, 2023 (KB5028244) or later LCU installed, they must first install the special standalone October 13, 2023 SSU (KB5031539) before applying this update.
Similarly, WSUS deployments require the August 10, 2021 SSU (KB5005260) if devices lack the May 11, 2021 update or later.
Windows 10 Approaching End of Support
This emergency update comes as Microsoft reminds users that Windows 10 support is nearing its end.
After October 14, 2025—less than five months from now—Microsoft will no longer provide free software updates, technical assistance, or security fixes for Windows 10.
While PCs running Windows 10 will continue to function after this date, they will become increasingly vulnerable to security threats without regular patches.
Microsoft strongly recommends users transition to Windows 11 before the support deadline.
This particular BitLocker issue underscores the importance of security updates and highlights the risks organizations may face if they continue using unsupported operating systems.
For enterprises still running Windows 10, this incident serves as a timely reminder to accelerate migration plans or consider extended support options if Windows 11 deployment isn’t feasible before the October deadline.
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