Microsoft recently released an emergency out-of-band update to address significant bugs in its initial Windows 11 security update of 2026, which was causing disruptions in system shutdown functionalities.
One of the key issues identified was related to devices with Secure Launch, where some systems were encountering failures during shutdown or hibernation processes. This specific problem was isolated to Windows 11, version 23H2, impacting a subset of users.
Another prevalent issue involved connection and authentication failures in various remote connection applications across multiple platforms, including Windows 11, version 25H2, Windows 10, version 22H2 ESU, and Windows Server 2025.
Recognizing the severity of these issues, Microsoft promptly released the out-of-band update on January 17, 2026, to mitigate the identified bugs and restore normal system operations for affected users.
Source: The Verge