Microsoft Pushes Windows 10 Build 19043.928 (21H1) to Beta & Release Preview Channels

Windows 10 Build 19043.928

Microsoft has announced the release of Windows 10 Build 19043.928 (KB5001330) to beta and release preview channels. The update will be available for those Windows Insiders who are on 21H1 and includes several quality improvements. The Windows 10 Build 19043.928 has resolved an issue associated with a principal in a trusted MIT realm that fails to obtain a Kerberos service ticket from Active Directory Domain Controllers.

This problem occurs on those devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released by Microsoft between November 10, 2020, and December 8, 2020. If callers submit a PAC-less Ticket Granting Ticket, then Ticket acquisition also fails with the error “KRB_GENERIC_ERROR. You need not have to provide USER_NO_AUTH_DATA_REQUIRED flag.

The Windows 10 Build 19043.928 has resolved an issue associated with security vulnerabilities identified by a security researcher. As a result of these security vulnerabilities, all future Windows updates will no longer contain the RemoteFX vGPU.

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The Secure vGPU alternatives are available with the help of Discrete Device Assignment in Windows Server LTSC releases and Windows Server SAC releases. The LTSC releases comprise Windows Server 2016 and Windows Server 2019, while the SAC releases include Windows Server version 1803 and later versions.

The Windows 10 Build 19043.928 has resolved a potential elevation of privilege vulnerability in the way Azure Active Directory web sign-in allows arbitrary browsing from the third-party endpoints that are used for federated authentication.

The update also includes security updates to Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Office Media, Windows Fundamentals, Windows AI Platform, Windows Cryptography, Windows Virtualization, Windows kernel, Windows Media and Internet Explorer. The update also resolved an issue where Windows Insiders are visualzing 0x800f081f error when attempting to install an early version of KB5000842.

Anand Narayanaswamy is the editor-in-chief of Netans. He was recognized as a Microsoft Most Valuable Professional (MVP) for 9 years (2002 to 2011) and again as a Microsoft MVP in Surface under Windows and Devices in January 2024. He worked as a Chief Technical Editor with ASPAlliance and was part of ASPInsider program. Anand has published several articles and reviews related to various software and hardware products for various software and technology related websites. He is also active on social media and also participates as an Influencer for various brands. Anand can be reached at admin@netans.com

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