This update fixes a vulnerability in Windows that could allow information disclosure when the CLFS driver handles objects in memory incorrectly. It is available through Windows Update or Microsoft Update Catalog and requires reinstallation after installing language packs.

This security update resolves a vulnerability in Microsoft Windows that could allow information disclosure when the Windows Common Log File System (CLFS) driver improperly handles objects in memory.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7 and for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component.

Learn how to fix a problem that prevents Windows activation when the sppsvc.exe process does not start automatically. Find out the cause, the update solution, and the details of the Software Protection Platform service.

Learn how to use the Windows Security Troubleshooter to diagnose and repair Windows security problems by turning on UAC, DEP, Windows Firewall, and other features. Download the troubleshooter and run it on the affected computer or a flash drive or a CD.

Resolves a vulnerability in the MSCOMCTL common controls library that could allow security feature bypass if a user views a specially crafted webpage in a web browser, such as Internet Explorer, that can create instances of COM components.

Resolves a vulnerability in Windows that could allow remote code execution if a user clicks a specially crafted link or a link to specially crafted content and then invokes F12 developer tools in Internet Explorer.

Learn how to update or reinstall device drivers, such as USB drivers, in Windows 11 or 10 using Device Manager. Follow the steps to search for updated driver software or uninstall and reinstall the driver.

Learn how to restore files from a backup or a previous version after you can't find them on your computer or you deleted them by mistake. Follow the steps to access previous versions of files and folders from Windows Backup or restore points.

This update replaces the previously released update KB5041576 and makes quality improvements to the servicing stack component that installs Windows updates. It is available through Windows Update and has no prerequisites or restart requirements.