Windows 11 22H2: Preview Update KB5028254 (July 25, 2023)

Windows[German]Microsoft has released the optional cumulative (preview) update KB5027303 for Windows 11 version 22H2 as of July 25, 2023. This brings a number of fixes (similar to the preview update for Windows 11 21H2). Below I give an overview regarding these updates for Windows 11.


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It should be noted that this update is a so-called preview update. This is optional and by default must be manually triggered to download and install (though Windows 11 22H2 includes options to install automatically). The update contains the fixes that will be rolled out in the security update for the following month. The list of updates for Windows 11 can be viewed on this Microsoft page.

Preview Update KB5028254 for Windows 11 22H2

The preview update KB5028254 has been released for Windows 11 version 22H2. The update raises the OS build to 22621.1928 and provides a number of new features as well as fixes for this Windows version. Here is an overview of the highlights that the update ships:

  • This update makes brightness settings more accurate.
  • This update addresses an issue that affects certain display and audio devices. They are missing after your system resumes from sleep.
  • This update addresses an issue that affects Widgets. They unpin from the taskbar when you do not expect it.
  • This update addresses an issue that affects virtual private networks (VPN). There might be excessive Address Resolution Protocol (ARP) requests to the network gateway. This occurs when the VPN is on a wireless mesh network that uses an aggressive throttling algorithm. Because of this, network performance is poor.

Below is the complete list of fixes that this update makes:

  • New! This update affects the Handwriting Software Input Panel (SIP), the Handwriting Engine, and the Handwriting Embedded Inking Control. They now support GB18030-2022 conformance level 2. Because of this, they meet the level 3 requirements.
  • This update addresses an issue in the Windows Notification Platform. The issue affects how much power your device uses.
  • This update affects the Windows Push Notification Services (WNS). It makes the connection between the client and the WNS server more reliable.
  • This update addresses an issue that affects hybrid joined devices. You cannot sign in to them if they are not connected to the internet. This occurs when you use a Windows Hello for Business PIN or biometric credentials. This issue applies to a cloud trust deployment.
  • This update affects Windows Autopilot profiles. The process to download the Windows Autopilot policy is more resilient. This helps when a network connection might not be fully initialized. This update increases the retry attempts when you try to download the Windows Autopilot profile.
  • This update addresses an issue that affects Event Forwarding Subscriptions. When you add an Event Channel to the subscription, it forwards events you do not need.
  • This update addresses an issue that affects the Windows Management Instrumentation (WMI) repository. This causes an installation error. The issue occurs when a device does not shut down properly.
  • This update addresses an issue that affects certain CPUs. There is inconsistent reporting of the L2 cache.
  • This update enhances hinting for some of the letters of the Verdana Pro font family.
  • This update affects user mode printer drivers. They unload unexpectedly. This occurs when you print from multiple print queues to the same printer driver.
  • This update affects text edit controls in XAML and browser controls. You cannot make text edit controls editable again after they become read only. This occurs when you use the new Microsoft Input Method Editor for Japanese, Chinese, and Korean.
  • This update makes Narrator announce the "Change product key" label.
  • This update addresses an issue that affects the Defender Firewall Profile. It fails to automatically switch from a LAN that is trusted to a public network.
  • This update makes Country and Operator Settings Asset (COSA) profiles up to date.
  • This update addresses an issue that affects a printing job. An unexpected Internet Printing Protocol (IPP) mode switch can cause the print job to abruptly stop. This occurs when there is an independent hardware vendor (IHV) driver.
  • This update addresses an issue that affects certain wireless wide area network (WWAN) devices. After every restart, a dialog reappears. It asks you to switch to embedded SIM (eSIM) even when you choose "No."
  • This update addresses a deadlock in Internet Protocol Security (IPsec). When you configure servers with IPsec rules, they stop responding. This issue affects virtual and physical servers.
  • This update addresses an issue that affects the MPSSV service. The issues causes your system to restart repeatedly. The stop error code is 0xEF.
  • This update affects the Windows Kernel Vulnerable Driver Blocklist, DriverSiPolicy.p7b. It adds drivers that are at risk for Bring Your Own Vulnerable Driver (BYOVD) attacks.
  • This update addresses an issue that affects Windows Defender Application Control (WDAC). The issue copies unsigned WDAC policies to the Extensible Firmware Interface (EFI) disk partition. This partition is reserved for signed policies.
  • This update addresses an issue that affects WDAC. The "Disabled: Script Enforcement" option might create audit events you do not need.
  • This update addresses an issue that affects the fastfat file system driver. It stops responding because of a race condition.
  • This update addresses an issue that affects I/O over Server Message Block (SMB). It might fail when you use the LZ77+Huffman compression algorithm.

This long list of new features and fixes will be integrated in the security update for the following month. The preview update is optional and is only offered when the user explicitly selects optional updates for installation in the settings page. The update is offered via Windows Update, but can also be downloaded and installed from the Microsoft Update Catalog. The latest Servicing Stack Update (SSU) is included to fix various issues. Further details, e.g. about the installation requirements, can be found in the support article in case of doubt. The possibly known problems are also listed there.

Similar articles:
Microsoft Security Update Summary (July 11, 2023)
Patchday: Windows 10-Updates (July 11, 2023)
Patchday: Windows 11/Server 2022-Updates (July 11, 2023)
Windows 7/Server 2008 R2; Server 2012 R2: Updates (July 11, 2023)
Microsoft Office Updates (July 11, 2023)

HTML RCE Vulnerability CVE-2023-36884 Allows Office and Windows System Takeover
Windows: Malware still loadable in kernel drivers (RedDriver attack)
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Microsoft July 2023 Patchday issues (Windows, Office, Apps) – Part I
Microsoft July 2023 Patchday issues: Windows 10 22H2 Update KB5028166 – Part II

Windows 10 22H2 Preview Update KB5028244 (July 25, 2023)
Windows 11 21H2: Preview-Update KB5028245 (July 25, 2023)
Windows 11 22H2: Preview Update KB5028254 (July 25, 2023)


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