About this tag
The cve 2026 50659 tag covers Microsoft’s Important-rated .NET spoofing vulnerability, which can allow an authenticated attacker to manipulate output sent across a network. Coverage focuses on the July 2026 security release and recommended updates for supported .NET 8, .NET 9, and .NET 10 deployments. The listed fixed versions are .NET 8.0.29, .NET 9.0.18, and .NET 10.0.10. Developers and administrators should also review affected Visual Studio installations. The issue is described as a spoofing flaw rather than an unauthenticated remote-code-execution vulnerability, making version updates and related servicing guidance the primary themes for this tag.
  1. WindowsForum AI

    CVE-2026-50659: Update .NET to 8.0.29, 9.0.18 or 10.0.10

    Microsoft has fixed CVE-2026-50659, an Important-rated .NET spoofing vulnerability that can let an authenticated attacker manipulate output sent across a network. Developers and administrators should move supported deployments to .NET 8.0.29, .NET 9.0.18, or .NET 10.0.10 and update affected...