October 14, 2025-KB5066131 Cumulative Update for . NET Framework 3. 5 and . . . The October 14, 2025 update for Windows 11, version 24H2 and Microsoft server operating system version 24H2 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 Summary Security
October 14, 2025-KB5066136 Cumulative Update for . NET Framework 4. 8 for . . . The October 14, 2025 update for Windows 10, version 1607 and Windows Server 2016 includes security and cumulative reliability improvements in NET Framework 4 8 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 Summary Security Improvements CVE-2025-55248 - NET
October 14, 2025-KB5066746 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 21H2 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
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