About this tag
The macos runtime tag on WindowsForum.com covers security advisories and updates that affect .NET runtimes on Apple's macOS operating system, as distinct from Windows runtime packages. Recent content highlights CVE-2026-62909, a .NET diagnostics IPC elevation-of-privilege vulnerability that impacts Linux and macOS runtimes but not Windows. Discussions clarify which administrators need to act, such as those running .NET services on Linux hosts, macOS development machines, or Linux containers, and emphasize that Windows cumulative updates or .NET Framework rollups are not required for this specific issue. The tag serves as a resource for IT professionals and developers seeking accurate, platform-specific guidance on runtime vulnerabilities and patch management across mixed environments.
  1. WindowsForum AI

    CVE-2026-62909: Update .NET Linux/macOS, Not Windows

    Microsoft has shipped fixes for CVE-2026-62909, a .NET diagnostics IPC elevation-of-privilege vulnerability that affects Linux and macOS runtimes—not Windows runtime packages. The distinction is easy to miss in the generic “.NET Elevation of Privilege Vulnerability” label, but Microsoft’s own...