Serial number: AV26-456 Date: May 12, 2026 On May 12, 2026, Microsoft published security advisories to address vulnerabilities in multiple products. Included were critical updates for the following products: .NET 10.0 installed on Linux .NET 10.0 installed on Mac OS .NET 10.0 installed on Windows .NET 8.0 installed on Linux .NET 8.0 installed on Mac OS .NET 8.0 installed on Windows .NET 9.0 installed on Linux .NET 9.0 installed on Mac OS .NET 9.0 installed on Windows Azure AI Foundry Azure Cloud
