Flexis August 2025 Patch Recommendation
Patches Microsoft released in August 2025
Impacted Products:
Microsoft Windows
Microsoft Edge
(HTML-based)
Microsoft Edge
(Chromium-based)
Internet Explorer
Microsoft Office and Microsoft Office Services and Web Apps
Windows Defender
Visual Studio
ASP.NET Core
Chakra Core
Microsoft Dynamics
.NET Framework
.NET Core
Please note the following information regarding the security updates:
Windows 10 Enterprise and Education and Windows 10 Home and Pro lifecycle pages, Windows 10 will reach end of support on October 14, 2025. The current version, 22H2, will be the final version of Windows 10. The following editions will remain in support with monthly security update releases through that date:
Home
Pro
Pro Education
Pro for Workstations
Education
Enterprise
Enterprise multi-session
KB5063877: Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 Windows 10 IoT Core LTSC Windows Server 2019
Summary
This article lists the security fixes and quality improvements included in this security update. Windows 10, version 1809Windows Server 2019 Applies to: Windows 10 Ent LTSC 2019, Windows 10 IoT Ent LTSC 2019, and Windows 10 IoT Core LTSC Known issues in this update Reset and recovery issue When you try to reset and recover a device, the process might fail. This issue happens when users perform one or more of the following processes:
- System >Recovery > Reset my PC
- System > Recovery >Fix problems using Windows Update
- RemoteWipe CSP
Resolution These issues are resolved by Windows updates released on and after August 19, 2025 (KB5066187). We recommend you install the latest update for your device as it contains important improvements and issue resolutions, including this one.
KB5063871: Windows 10, version 1607, all editions Windows Server 2016, all editions
Windows Secure Boot certificate expiration
Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and preparation steps, see Windows Secure Boot certificate expiration and CA updates.
Summary
Applies to: Windows 10 IoT Enterprise 2016 LTSB This security update includes fixes and improvements that are a part of the following update:
The following is a summary of the issues that this update addresses. The bold text within the brackets indicates the item or area of the change we are documenting.
- [Input and Composition] Fixed: A known issue with the Microsoft Changjie Input Method. Users were unable to select words after a recent update.
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 August 2025 Security Updates. For more information about Windows 10, version 1607, see its update history page. For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types.
Windows Server 2016
Applies to: Hyper-V Server 2016 This security update includes fixes and improvements that are a part of the following update:
The following is a summary of the issues that this update addresses. The bold text within the brackets indicates the item or area of the change we are documenting.
- [Input and Composition] Fixed: A known issue with the Microsoft Changjie Input Method. Users were unable to select words after a recent update.
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 August 2025 Security Updates. For more information about Windows 10, version 1607, see its update history page. For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types.
KB5063880: Windows Server 2022
Windows Secure Boot certificate expiration
Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and preparation steps, see Windows Secure Boot certificate expiration and CA updates.
Improvements
This security update contains fixes and quality improvements form KB5062572 (released July 8, 2025). The following summary outlines key issues addressed by the KB update after you install it. Also, included are available new features. The bold text within the brackets indicates the item or area of the change.[Input (know issue)] Fixed: An issue when using the Microsoft Changjie IME (input method editor) for Traditional Chinese might cause problems such as not being able to form or select words, unresponsive spacebar or blank key, incorrect word output, or a broken candidate window display. This can occur after installing KB5062572