Microsoft Windows Server 2022 Updates

Here you will find all software, firmware, and hardware updates from Microsoft Windows Server 2022.

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New Release every
16 days
Critical fixes
10
Security-related releases
100%

Risk factor
A total of 10 updates have been released for Windows Server 2022.

Smooth installs %
Minor issues %
Major issues %

Updates

Last updated: 06/10/2026

KB5094128 for Windows Server 2022 (OS Build 20348.5256) delivers security fixes, quality improvements, and non-security updates from KB5087545. It also includes a servicing stack update, Secure Boot enhancements, and fixes for File Explorer, fonts, and Windows Security app status. Reference IDs: KB5094147, KB5070884, CVE-2025-59287.

security Microsoft Windows Server 2022
06/09/2026
OS Build 20348.5256
security Microsoft Windows Server 2022
06/09/2026
OS Build 20348.5256

KB5087545 updates Windows Server 2022 to OS Build 20348.5139 with security fixes, quality improvements, and Secure Boot rollout changes. It also includes a servicing stack update, addresses Remote Desktop dialog rendering, and notes BitLocker and WSUS-related issues.

security Microsoft Windows Server 2022
05/12/2026
OS Build 20348.5139
security Microsoft Windows Server 2022
05/12/2026
OS Build 20348.5139

KB5091575 is an out-of-band cumulative update for Windows Server 2022, OS Build 20348.5024. It fixes a domain controller startup issue after KB5082142 and notes known issues affecting BitLocker recovery prompts, WSUS error details, and Remote Desktop warnings. Reference IDs: KB5070884, KB5087545, CVE-2025-59287.

security Microsoft Windows Server 2022
04/19/2026
OS Build 20348.5024
security Microsoft Windows Server 2022
04/19/2026
OS Build 20348.5024

KB5082142 for Windows Server 2022 updates OS Build 20348.5020 with security fixes, quality improvements, and new protections for Remote Desktop, Secure Boot, Kerberos, and vulnerable drivers. It also includes SSU KB5082137.

security Microsoft Windows Server 2022
04/14/2026
OS Build 20348.5020
security Microsoft Windows Server 2022
04/14/2026
OS Build 20348.5020

KB5078766 for Windows Server 2022 updates OS Build 20348.4893 with the latest security fixes and quality improvements from KB5075906 and KB5082314. It also adds Secure Boot certificate targeting data and a warning dialog in Windows System Image Manager.

security Microsoft Windows Server 2022
03/10/2026
OS Build 20348.4893
security Microsoft Windows Server 2022
03/10/2026
OS Build 20348.4893

KB5082314 for Windows Server 2022 (OS Build 20348.4776) is an out-of-band cumulative update. It includes February 10, 2026 security fixes and addresses a Windows Hello for Business certificate renewal issue in certain ADFS-based deployments. Reference IDs: KB5075906.

security Microsoft Windows Server 2022
02/28/2026
OS Build 20348.4776
security Microsoft Windows Server 2022
02/28/2026
OS Build 20348.4776

KB5075906 for Windows Server 2022 (OS Build 20348.4773) includes security fixes, quality improvements, and new DNS resource record shuffling support. It also rolls in updates from KB5073457, KB5077800, and KB5078136.

security Microsoft Windows Server 2022
02/10/2026
OS Build 20348.4773
security Microsoft Windows Server 2022
02/10/2026
OS Build 20348.4773

KB5078136 for Windows Server 2022 (OS Build 20348.4651) is an out-of-band cumulative update that includes prior security fixes plus a file system fix for cloud-based storage issues. It also includes servicing stack update KB5074428 and notes known issues affecting WSUS error details and VSM shutdown or hibernation.

security Microsoft Windows Server 2022
01/24/2026
OS Build 20348.4651
security Microsoft Windows Server 2022
01/24/2026
OS Build 20348.4651

KB5077800 for Windows Server 2022 (OS Build 20348.4650) is an out-of-band cumulative update. It includes January 13, 2026 security fixes (KB5073457) plus a Remote Desktop sign-in fix and servicing stack update KB5074428.

security Microsoft Windows Server 2022
01/17/2026
OS Build 20348.4650
security Microsoft Windows Server 2022
01/17/2026
OS Build 20348.4650

KB5073457 updates Windows Server 2022 to OS Build 20348.4648 with the latest security fixes, quality improvements, and non-security updates from the December 2025 preview release. It also includes security hardening for credential autofill and changes to WDS hands-free deployment behavior. Reference IDs: KB5074428, CVE-2025-59287.

security Microsoft Windows Server 2022
01/13/2026
OS Build 20348.4648
security Microsoft Windows Server 2022
01/13/2026
OS Build 20348.4648