October 14, 2025-KB5066743 Cumulative Update for . NET Framework 3. 5, 4. . . . Summary This article describes the security and cumulative update for 3 5, 4 8 and 4 8 1 for Windows Server 2022 Security Improvements CVE-2025-21176 - NET Framework Remote Code Execution vulnerability This security update addresses a remote code execution vulnerability detailed in CVE-2025-21176 Quality and Reliability Improvements For a list of improvements that were released with this
October 14, 2025-KB5066747 Cumulative Update for . NET Framework 3. 5, 4. . . . Summary This article describes the security and cumulative update for 3 5, 4 8 and 4 8 1 for Windows 10 Version 22H2 Security Improvements CVE-2025-21176 - NET Framework Remote Code Execution vulnerability This security update addresses a remote code execution vulnerability detailed in CVE-2025-21176 Quality and Reliability Improvements For a list of improvements that were released with
July 8, 2025-KB5056580 Cumulative Update for . NET Framework 3. 5 and 4. 8 . . . The April 22, 2025 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in NET Framework 3 5 and 4 8 1 We recommend that you apply this update as part of your regular maintenance routines Before you install this update, see the Prerequisites and Restart requirement sections