Microsoft .NET Framework Updates

Here you will find all software, firmware, and hardware updates from Microsoft .NET Framework.

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New Release every
26 days
Critical fixes
4
Security-related releases
80%

Risk factor
A total of 5 updates have been released for .NET Framework.

Smooth installs %
Minor issues %
Major issues %

Updates

Last updated: 06/02/2026

May 12, 2026 cumulative update for Windows and .NET Framework. It addresses CVE-2026-32177 and CVE-2026-35433 elevation of privilege vulnerabilities and includes no additional quality improvements or known issues.

security Microsoft .NET Framework
05/12/2026
security Microsoft .NET Framework
05/12/2026

May 12, 2026 cumulative update for Windows and .NET Framework. It includes security fixes for CVE-2026-32177 and CVE-2026-35433, with no additional quality improvements or known issues.

security Microsoft .NET Framework
05/12/2026
security Microsoft .NET Framework
05/12/2026

April 14, 2026 update for .NET Framework adds security fixes for CVE-2026-32178, CVE-2026-32203, CVE-2026-32226, CVE-2026-23666, CVE-2026-26171, and CVE-2026-33116. It also includes reliability fixes for ClickOnce SHA384/SHA512 verification, Arm64 CLR crashes, WCF NamedPipe services, and OS call compliance. Updated April 28, 2026, with a known issue.

security Microsoft .NET Framework
04/14/2026
April 2026 cumulative update
security Microsoft .NET Framework
04/14/2026
April 2026 cumulative update

Released February 10, 2026. This cumulative update includes security improvements for CVE-2025-55248 and quality/reliability fixes for .NET Framework 4.8.1, including ClickOnce SHA384/SHA512 verification and an Arm64 CLR crash fix. Reference IDs: 5074837.

security Microsoft .NET Framework
02/10/2026
February 2026 cumulative update
security Microsoft .NET Framework
02/10/2026
February 2026 cumulative update

January 29, 2026 cumulative update preview for Windows 11 and .NET Framework 3.5/4.8.1. It includes quality and reliability fixes for ClickOnce SHA384/SHA512 verification and an Arm64 CLR crash, with no new security improvements. Reference IDs: 5074828, 5074831.

Microsoft .NET Framework
01/29/2026
January 2026 cumulative update preview
Microsoft .NET Framework
01/29/2026
January 2026 cumulative update preview