KB5073455: The Windows core component, WinSqlite3.dll, has been updated.

January 13, 2026—KB5073455 (OS Build 22631.6491)

Improvements
This update addresses security issues for your Windows operating system. ​​​​​​​

This security update contains fixes and quality improvements from KB5071417 (released December 9, 2025). The following summary outlines key issues addressed by this update. Also, included are available new features. The bold text within the brackets indicates the item or area of the change.

• [Compatibility] This update removes the following modem drivers: agrsm64.sys (x64), agrsm.sys (x86), smserl64.sys (x64) and smserial.sys (x86). Modem hardware dependent on these specific drivers will no longer work in Windows.
• [Display Kernel] Fixed: This update addresses an issue affecting Remote Desktop Protocol (RDP) connections, where the connection fails and you might need to restart your device.
• [Input] Fixed: This update addresses an issue that affects apps such as Outlook, Teams, Edge, Chrome, and Excel. These apps might close unexpectedly when you enter text. ​​​​​​​
• [Secure Boot] Starting with this update, Windows quality updates include a subset of high confidence device targeting data that identifies devices eligible to automatically receive new Secure Boot certificates. Devices will receive the new certificates only after demonstrating sufficient successful update signals, ensuring a safe and phased deployment.
• [WinSqlite3.dll] Fixed: The Windows core component, WinSqlite3.dll, has been updated. Previously, some security software might have detected this component as vulnerable.