November 12, 2024—KB5046616 (OS Build 20348.2849)

Improvements

This security update includes quality improvements. Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting. 

• [FrameShutdownDelay] Fixed: The browser ignores its value in the “HKLM\SOFTWARE\Microsoft\Internet Explorer\Main” registry key.

• [vmswitch] Fixed: A vmswitch triggers a stop error. This occurs when you use Load Balancing and Failover (LBFO) teaming with two virtual switches on a virtual machine (VM). In this case, one virtual switch uses single root Input/Output virtualization (SR-IOV).

• [Collector sets] Fixed: They do not close properly when an exception occurs during startup or while the set is active. Because of this, the command to stop a collector set stops responding.

• [Product activation phone numbers] This adds new phone numbers for several regions.

• [Windows Kernel Vulnerable Driver Blocklist file (DriverSiPolicy.p7b)] This update adds to the list of drivers that are at risk for Bring Your Own Vulnerable Driver (BYOVD) attacks.

• [Windows Backup] Fixed: Backup sometimes fails. This occurs when a device has an Extensible Firmware Interface (EFI) system partition (ESP).

• [Cace disk] Fixed: The "Starting Maintenance mode" exception flag appears after you remove a cache disk.

• [Remote Desktop Connection Broker in high availability mode] This update turns on Kerberos authentication for smart cards.

If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.

For more information about security vulnerabilities, please refer to the Security Update Guide and the November 2024 Security Updates..

Known issues in this update

​​​​​​​Microsoft is not currently aware of any issues with this update.

How to get this update

Before you install this update

​​​​​​​Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

Prerequisite for offline OS image servicing:

​​​​​​​Make sure that your image includes KB5030216 (09/12/2023) or a later LCU. If not, install it on your offline media before you install the latest update. This LCU updates the SSU version to 20348.1960. That is the minimum SSU version you must have to prevent error 0x800f0823 (CBS_E_NEW_SERVICING_STACK_REQUIRED).

Install this update

To install this update, use one of the following Windows and Microsoft release channels.

File Information

For a list of the files that are provided in this update, download the file information for cumulative update 5046616. 

For a list of the files that are provided in the servicing stack update, download the file information for the SSU (KB5044414) - version 20348.2750.