Welcome to our combined .NET servicing updates for May 2026. Let’s get into the latest release of .NET & .NET Framework, here is a quick overview of what’s new in our servicing releases:
Security improvements
.NET and .NET Framework have been refreshed with the latest update as of May 12, 2026. This update contains security and non-security fixes.
This month you will find that these CVEs have been fixed:
| CVE # | Title | Applies to |
|---|---|---|
| CVE-2026-32177 | .NET Elevation of Privilege Vulnerability | .NET 10.0, .NET 9.0, .NET 8.0, .NET Framework 3.5, 4.6.2, 4.7, 4.7.2, 4.8, 4.8.1 |
| CVE-2026-35433 | .NET Elevation of Privilege Vulnerability | .NET 10.0, .NET 9.0, .NET 8.0 |
| CVE-2026-32175 | .NET Tampering Vulnerability | .NET 10.0, .NET 9.0, .NET 8.0 |
| CVE-2026-42899 | .NET Denial of Service Vulnerability | .NET 10.0, .NET 9.0, .NET 8.0 |
| .NET 10.0 | .NET 9.0 | .NET 8.0 | |
|---|---|---|---|
| Release Notes | 10.0.8 | 9.0.16 | 8.0.27 |
| Installers and binaries | 10.0.8 | 9.0.16 | 8.0.27 |
| Container Images | images | images | images |
| Linux packages | 10.0 | 9.0 | 8.0 |
| Known Issues | 10.0 | 9.0 | 8.0 |
Release changelogs
Share feedback about this release in the Release feedback issue.
.NET Framework May 2026 Updates
This month, there are new security updates and new non-security updates available. For recent .NET Framework servicing updates, be sure to browse our release notes for .NET Framework for more details.
See you next month
That’s it for this month, make sure you update to the latest service release today.
Please fix Nuget : NU1102: Unable to find package Microsoft.NETCore.App.Runtime.Mono.win-x64, we cannot push a patch because of this!
Microsoft.NETCore.App.Runtime.Mono.win-x64 – 8.0.27 package was already published to nuget.org. can you tell me more what’s missing?
Yeah, but GitHub actions still failing because of the same.