KB5046615: Windows Kernel Vulnerable Driver Blocklist file (DriverSiPolicy.p7b) Fixed

November 12, 2024—KB5046615 (OS Build 17763.6532)

Highlights
This update addresses security issues for your Windows operating system.

Improvements
This security update includes 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.

- [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).

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

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 new [Security Update Guide](Highlights
This update addresses security issues for your Windows operating system.

Improvements
This security update includes 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.

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

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 new Security Update Guide website and the November 2024 Security Updates.) website and the November 2024 Security Updates.