Microsoft issues emergency out-of-band Windows update to fix January 2026 patch

Microsoft has issued an emergency out-of-band update to address critical issues caused by the January 2026 Windows security patch, which led to remote connection failures and shutdown problems across multiple Windows versions. The update, released on January 17, 2026, is available through the Microsoft Update Catalog and targets specific versions of Windows 11, Windows 10, and Windows Server. This situation underscores the growing complexity of Windows updates and the need for careful testing and monitoring of patches.