April 14, 2026—KB5082063 (OS Build 26100. 32690) - Microsoft Support This cumulative update for Windows Server 2025 (KB5082063), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained For information
Windows Server 2025 update history - Microsoft Support Windows Server 2025 is the latest release in our Long Term Servicing Channel On the left side of this page, you’ll find a list of all the updates released for this version of Windows Server
April 14, 2026—KB5082142 (OS Build 20348. 5020) - Microsoft Support This cumulative update for Windows Server 2022 (KB5082142), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained For information
April 14, 2026-KB5084071 Cumulative Update for . NET Framework 3. 5, 4. 8 . . . Version: NET Framework 3 5, 4 8 and 4 8 1 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-2026-32178 - NET Framework Remote Code Execution vulnerability This security update addresses a remote code execution vulnerability detailed in CVE-2026-32178
March 10, 2026—KB5078766 (OS Build 20348. 4893) - Microsoft Support This cumulative update for Windows Server 2022 (KB5078766), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained For information
Windows Server images for January 2026 - Microsoft Support Microsoft Windows Server Virtual Machine Images Windows Server is the operating system that bridges on-premises environments with Azure services enabling hybrid scenarios and maximizing existing investments, including: Unique hybrid capabilities with Azure to extend your datacenter and maximize investments Advanced multi-layer security to help you elevate your security posture Faster
April 19, 2026—KB5091575 (OS Build 20348. 5024) Out-of-band - Microsoft . . . Summary This out-of-band update for Windows Server 2022 (KB5091575) is cumulative It includes fixes and improvements that are part of the following update: April 14, 2026—KB5082142 (OS Build 20348 5020) The following is a summary of the issues that this out-of-band update addresses when you install this update The bold text within the brackets indicates the item or area of the change we
April 14, 2026—KB5082123 (OS Build 17763. 8644) - Microsoft Support Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following update: March 10, 2026—KB5078752 (OS Build 17763 8511) The following is a summary of the issues that this update addresses when you install this update The bold text within the brackets indicates the item or area of the change we are documenting [PowerShell (known
Windows Server 2022 update history - Microsoft Support Windows Server 2022 update history Updates for Windows Server 2022 Windows Server 2022 is the latest release in our Long-Term Servicing Channel (LTSC) It builds on Windows Server 2019, our fastest adopted Windows Server ever