Windows 10 KB5055612 (OS Build 19045.5796) Update Overview
It includes WSL GPU fixes, security enhancements, and system stability improvements.
Microsoft has released the Windows 10 KB5055612 update (OS Build 19045.5796) as an optional preview update. This update is for users who want to get early access to the latest fixes and improvements before they roll out more broadly during the next Patch Tuesday. Windows 10 OS Build 19045.5796 addresses a GPU paravirtualization bug in Windows Subsystem for Linux (WSL), enhances kernel-level security, and system monitoring. In addition, Microsoft noted, one known issue involving Citrix components may impact a small subset of users during the update installation process.
What’s New in Windows 10 KB5055612?
The KB5055612 update focuses on quality improvements and allows users to test fixes before the May 2025 security update. It includes WSL GPU fixes, security enhancements, and system stability improvements.
With today’s update, Microsoft addressed a case-sensitive check in Windows Subsystem for Linux 2 (WSL2) that could prevent GPU paravirtualization support from functioning correctly.
Updated the Windows Kernel Vulnerable Driver Blocklist (DriverSiPolicy.p7b) to include additional drivers known to be exploited in Bring Your Own Vulnerable Driver (BYOVD) attacks.
It also fixed an issue where the Windows Event Viewer displayed error Event 7023 related to the SgrmBroker.exe service, seen after updates installed from January 14, 2025, or later.
Microsoft noted one known issue: Devices running Citrix Session Recording Agent (SRA) version 2411, released in December 2024, may encounter issues completing the installation of the January 2025 Windows security update.
You can refer to Microsoft’s official documentation for more details:
How to Download and Install Windows 10 KB5055612
Since Windows 10 KB5055612 is an optional non-security preview update, you need to download and install it manually.
- Open Settings from the Start menu.
- Go to Update & Security > Windows Update.
- Click on “Check for updates.”
- Under Optional updates available, select “Download and install” next to KB5055612.
Let the update download and install, it may take some time depending on the internet speed. Once installed, your device will be updated to OS Build 19045.5796, and the listed improvements will take effect immediately after a system restart.
Windows 11 KB5055612 Direct Download Links: 64-bit, 32-bit and ARM-64 | Microsoft Update Catalog.
