Note: Since “December updated” typically refers to the latest monthly rollup, I’ve assumed December 2025 for timeliness, but you can adjust the year as needed.
: The Latest Cumulative Update (LCU) is bundled with the Servicing Stack Update (SSU) to ensure the system can reliably receive and install future patches. Arctic Wolf Core Platform Features Windows Server 2022 update history - Microsoft Support windows server 2022 ltsc 21h2 x64 english decem updated
21H2 (LTSC – Long-Term Servicing Channel) Build: 20348.?? (December 2025 Cumulative Update applied) Architecture: x64 (64-bit) Language: English (en-US) Media Type: ISO / Update Package Note: Since “December updated” typically refers to the
As of early 2026, Microsoft has continued to release monthly cumulative updates. The most recent version available for this specific LTSC branch is Build 20348.4893 , released via on March 10, 2026. Microsoft Support Deployment Best Practices Verify Builds: Admins can check their current version by running or using the Get-ComputerInfo PowerShell command. Latest ISOs: For new deployments, it is recommended to use the latest ISO media : The Latest Cumulative Update (LCU) is bundled
For the December updated ISO, the installation is the smartest choice, as the cumulative update includes critical kernel fixes with zero UI overhead.
: Available for x64-based systems in English and other supported languages. Servicing Channel Information