CVE-2022-34691, CVE-2022-26931 and CVE-2022-26923 address an elevation of privilege vulnerability that can occur when the Kerberos Key Distribution Center (KDC) is servicing a certificate-based authentication request.

Remove malware from your Windows PC. OneDrive (home or personal) OneDrive for Windows. Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC.

An attacker who successfully exploited the vulnerability might bypass secure boot and load untrusted software. This security update addresses the vulnerability by adding the signatures of the known vulnerable UEFI modules to the DBX. To learn more about this security vulnerability, see the following advisory:

Secure Boot is recommended by Microsoft to make a safe and trusted path from the Unified Extensible Firmware Interface (UEFI) through the Windows kernel Trusted Boot sequence. Secure Boot helps prevent bootkit malware in the boot sequence. Disabling Secure Boot puts a device at risk of being infected by bootkit malware.

Uninstall from Control Panel. In search on the taskbar, enter Control Panel and select it from the results. Select Programs > Programs and Features. Press and hold (or right-click) on the program you want to remove and select Uninstall or Uninstall / Change. Then follow the directions on the screen. Need more help?

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component.

Resolves a vulnerability in Windows Explorer that could allow remote code execution if a user visited a specially crafted webpage.

More help. If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors. Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Summary. Windows updates released on and after October 11, 2022, contain additional protections introduced by CVE-2022-38042. These protections intentionally prevent domain join operations from reusing an existing computer account in the target domain unless: The user attempting the operation is the creator of the existing account. Or.

Check for Windows updates. Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks.