Windows 11 · 26H1 · .NET Framework update
.NET Framework Security Update for Windows 11 - KB5087055 (28000.9335)
- Release
- .NET Framework update
- KB5087055 — Microsoft's article, opens in a new tab
- amd64
- arm64
Windows 11 26H1: Ships on new silicon only
This is a .NET Framework package for Windows 11 26H1, not an operating-system build. Its history below lists other .NET packages on the 28000 base.
AI summary
KB5087055 (28000.9335) is a .NET Framework security update for Windows 11 that delivers runtime security patching and compatibility fixes to mitigate known vulnerabilities.
Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.
Known issues — reported on the forum
No problems reported on the forum for this build yet. Threads that name 28000.9335 or KB5087055 and describe a fault appear here automatically.
In the news
- Coverage Windows 11 26H1 Driver Updates Explained: Silicon Platform Focus, Wi‑Fi, SDUC, GPU
- Coverage KB5096137: Update Qualcomm QNN Execution Provider on Windows 11 26H1 PCs
- Coverage KB5096136 Updates AMD Vitis AI Execution Provider for Windows 11 26H1
- Coverage KB5096139 Updates Nvidia TensorRT-RTX AI Inference in Windows 11 26H1
- Coverage KB5096579: May 2026 Qualcomm AI Image Processing Update for Windows 11 26H1
- Coverage KB5096576 Update: Image Transform AI Component for Copilot+ PCs (26H1)
- Coverage Windows 11 May 22 Insider Builds: New Insider Channels, 26H1 & Future Platforms
- Coverage KB5096578 for Copilot+ PCs: Intel AI Image Processing Update in Windows 11 26H1
Discussed on the forum
No member thread names 28000.9335 yet.