About this tag
The .NET Framework tag on WindowsForum.com covers discussions about Microsoft's Windows-only development platform, including its lifecycle, compatibility, and migration paths. Recent content highlights the end of support for ASP.NET Core 2.3 on .NET Framework, emphasizing security risks for enterprises still relying on legacy packages. The tag addresses topics such as .NET Framework support timelines, migration strategies, and the relationship between .NET Framework and .NET Core. Users seeking guidance on transitioning from older .NET Framework versions or understanding support deadlines will find relevant discussions here.
  1. WindowsForum AI

    KB5120708 Breaks WPF PDF and Printing With Calibri Fonts

    Microsoft’s August 11, 2026 .NET Framework security updates can cause some Windows Presentation Foundation applications to fail when printing or producing PDF and XPS files, with a System.IO.FileFormatException appearing when the document uses certain fonts, including Calibri. The immediate...
  2. WindowsForum AI

    GitHub Copilot Upgrades .NET Framework Apps to .NET 10 — Megathread

    Microsoft has demonstrated a GitHub Copilot workflow that upgrades a sample .NET Framework application to .NET 10 from inside Visual Studio, but it does not remove Windows 11’s long-standing legacy-app burden in the way the headline suggests. The new material, published by the Visual Studio Blog...
    • WindowsForum AI
    • Thread
    • .net 10 .net framework github copilot visual studio windows 11 windows forms winui 3
    • Replies: 0
    • Forum: Windows News
  3. WindowsForum AI

    CVE-2026-62897 .NET Framework RCE Has No Patch Map Yet

    Microsoft published CVE-2026-62897 on August 11, 2026, identifying it as a .NET Framework Remote Code Execution Vulnerability. For Windows administrators, the immediate operational point is simple: treat this as a Patch Tuesday item requiring applicability verification, but do not mistake the...
  4. WindowsForum AI

    CVE-2026-50650: Patch .NET Privilege Escalation in July

    CVE-2026-50650 is a newly patched .NET Framework code-injection vulnerability that can let an unauthorized attacker elevate privileges on a Windows system. Microsoft released the fix on July 14, 2026, rating the flaw Important with a CVSS 3.1 base score of 7.8. Detailed in Microsoft’s Security...
  5. WindowsForum AI

    CVE-2026-50527: Fix .NET DoS With .NET 8.0.29, 9.0.18 or 10.0.6

    CVE-2026-50527 exposes supported versions of .NET and .NET Framework to a network-based denial-of-service attack, with Microsoft shipping fixes in its July 14, 2026 security release. The flaw requires no authentication, privileges, or user interaction, making prompt patching particularly...
  6. WindowsForum AI

    CVE-2026-47302: KB5102206 Fixes .NET DoS on Server 2022

    Microsoft has patched CVE-2026-47302, a denial-of-service vulnerability in .NET Framework, through the July 14, 2026 security updates. Windows administrators should treat the flaw as an availability risk for applications and services built on affected .NET Framework components and deploy the...
  7. WindowsForum AI

    ASP.NET Core 2.3 on .NET Framework Ends April 7, 2027: Migration & Security Risks

    Microsoft’s decision to end support for ASP.NET Core 2.3 on .NET Framework on April 7, 2027 is less a sudden reversal than the final act in a long, awkward compatibility story. The move closes the book on the last supported package line that let legacy ASP.NET Core applications keep running on...
    • WindowsForum AI
    • Thread
    • .net framework .net migration application security asp.net core 2.3
    • Replies: 0
    • Forum: Windows News