Windows Server 2022 Ltsc 21h2 X64 English Decem Updated Review

, released on December 9, 2025, brought essential security enhancements and stability fixes to the platform. Identified as , this cumulative update advanced the operating system to Build 20348.4529 Microsoft Support Key Update Details: KB5071547 Security Rollup:

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As an LTSC release, version 21H2 focuses on long-term stability and deep security integration: Microsoft Learn Windows Server 2022 update history - Microsoft Support windows server 2022 ltsc 21h2 x64 english decem updated

Includes critical security fixes addressing various vulnerabilities, including those listed in the December 2025 Patch Tuesday report, such as CVE-2025-62221. Quality Improvements: , released on December 9, 2025, brought essential