July 14, 2026-KB5100998 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2 | Microsoft Support
Products Affected
Windows 11, version 25H2, Microsoft server operating system 24H2
Improvements
Addresses an issue with synchronous HttpWebRequest connections and an issue in the Visual Studio x86 native debugger.
Actions Recommended
Apply this update as part of regular maintenance routines.
Known issues found but description could not be extracted.
July 23, 2026 at 12:17 PM
Date Added
July 21, 2026 at 11:54 AM
Tags
.NET Framework, security update, reliability improvements