Windows Server 2022 20348.5499
Windows Server 2022 Build 20348.5499 is the August 2026 cumulative security update, delivering Microsoft's latest security protections along with cumulative quality and reliability improvements. The update strengthens core operating system components and incorporates previous servicing fixes. Windows Server 2022 remains in extended support through October 14, 2031.
- Includes the August 2026 Microsoft security updates for Windows Server 2022.
- Addresses security vulnerabilities affecting Windows operating system components as part of Microsoft's monthly security servicing.
- Includes cumulative security fixes from previous Windows Server 2022 updates.
- Deployment is recommended to maintain protection against known Windows vulnerabilities.
What's new
Windows Server 2022 Build 20348.5499 is the August 2026 cumulative security update, providing security fixes and quality improvements for supported Windows Server 2022 systems.
What's new- Includes the latest Microsoft security fixes released as part of the August 2026 security update cycle.
- Provides cumulative quality and reliability improvements for Windows Server 2022.
- Includes previously released security and quality fixes because Windows Server updates are cumulative.
- Improves the reliability of Windows servicing components responsible for installing and maintaining operating system updates.
- Includes additional security hardening across internal Windows operating system functionality.
Organizations running Windows Server 2022 should deploy Build 20348.5499 after standard compatibility testing. Because this is a cumulative security update, timely deployment is recommended to maintain protection against vulnerabilities addressed by Microsoft's August 2026 security updates.
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