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Microsoft .NET Framework Updates

Windows

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

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New Release every
28 days
Critical fixes
7
Security-related releases
78%

Risk factor
A total of 9 updates have been released for .NET Framework.

Smooth installs %
Minor issues %
Major issues %

Updates

Latest vendor release: Sep 8, 2026

.NET Framework Logo

September 8, 2026 cumulative update for .NET Framework addresses CVE-2026-62886 and CVE-2026-69522. Microsoft reports no known issues and no new quality or reliability improvements.

Security update Microsoft .NET Framework
Sep 8, 2026
5126053
Security update Microsoft .NET Framework
Sep 8, 2026
5126053
.NET Framework Logo

August 27, 2026 cumulative update preview for .NET Framework 3.5 and 4.8.1. It contains no new security improvements and fixes intermittent 64-bit .NET Framework crashes in .NET Runtime. Reference IDs: KB5122386, KB5122385.

Microsoft .NET Framework
Aug 27, 2026
KB5122386; KB5122385
Microsoft .NET Framework
Aug 27, 2026
KB5122386; KB5122385
.NET Framework Logo

August 11, 2026 cumulative update for .NET Framework adds security fixes for CVE-2026-65810, CVE-2026-62872, CVE-2026-62886, CVE-2026-62897, CVE-2026-62902, and CVE-2026-70354. No quality improvements or known issues are listed.

Security update Microsoft .NET Framework
Aug 11, 2026
KB5120747
Security update Microsoft .NET Framework
Aug 11, 2026
KB5120747
.NET Framework Logo

July 2026 cumulative update for .NET Framework addresses multiple security vulnerabilities, including CVE-2026-47302, CVE-2026-50649, and CVE-2026-56158. It also fixes HttpWebRequest hangs in secure connection scenarios and a Visual Studio x86 debugger floating-point display issue.

Security update Microsoft .NET Framework
Jul 14, 2026
5101002
Security update Microsoft .NET Framework
Jul 14, 2026
5101002
.NET Framework Logo

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 update Microsoft .NET Framework
May 12, 2026
Security update Microsoft .NET Framework
May 12, 2026
.NET Framework Logo

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 update Microsoft .NET Framework
May 12, 2026
Security update Microsoft .NET Framework
May 12, 2026
.NET Framework Logo

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 update Microsoft .NET Framework
Apr 14, 2026
April 2026 cumulative update
Security update Microsoft .NET Framework
Apr 14, 2026
April 2026 cumulative update
.NET Framework Logo

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 update Microsoft .NET Framework
Feb 10, 2026
February 2026 cumulative update
Security update Microsoft .NET Framework
Feb 10, 2026
February 2026 cumulative update
.NET Framework Logo

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
Jan 29, 2026
January 2026 cumulative update preview
Microsoft .NET Framework
Jan 29, 2026
January 2026 cumulative update preview