MEDIUM 5.9 Microsoft
CVE-2026-32226
.NET Framework Denial of Service Vulnerability
Microsoft Security Update 2026-Apr: .NET Framework Denial of Service Vulnerability
Affected Products
- Microsoft .NET Framework 4.8 on Windows 10 Version 22H2 for x64-based Systems
- Microsoft .NET Framework 4.8 on Windows 11 Version 22H2 for x64-based Systems
- Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems
- Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)
- Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)
- Microsoft .NET Framework 4.8 on Windows Server 2012 R2
- Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems
- Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32226
- https://nvd.nist.gov/vuln/detail/CVE-2026-32226
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-04-14 via Microsoft. Affected: Microsoft .NET Framework 4.8 on Windows 10 Version 22H2 for x64-based Systems, Microsoft .NET Framework 4.8 on Windows 11 Version 22H2 for x64-based Systems, Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems and 5 more.
vulnfeed aggregates 9214 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.