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Windows Server 2022 KB5094128
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KB5094128SecurityBug fixPerformance
β¦ Editor's summary
Windows Server 2022 KB5094128 is the June 2026 cumulative security update. It delivers Microsoft's latest security fixes, expands Secure Boot certificate deployment, improves Windows Security reporting, and includes cumulative quality, reliability, and performance improvements for supported Windows Server 2022 systems.
β Security impact
- Includes Microsoft's June 2026 cumulative security fixes.
- Expands deployment of Microsoft 2023 Secure Boot certificates to additional eligible devices.
- Adds the LimitSecureBootRequiredServiceData Group Policy to reduce Secure Boot telemetry.
- Introduces additional security hardening for desktop.ini processing to help mitigate abuse.
What's new
- Updated Windows Server 2022 to OS Build 20348.5256.
- Installed the June 2026 cumulative update (KB5094128).
- Expanded automatic deployment of Microsoft 2023 Secure Boot certificates.
- Added the LimitSecureBootRequiredServiceData Group Policy for Secure Boot telemetry control.
- Improved Secure Boot status reporting in the Windows Security application.
- Enhanced File Explorer search functionality, including improved UTF-8 and multilingual search support.
- Added security hardening for desktop.ini processing used in folder customization.
- Included cumulative quality, reliability, and performance improvements across the operating system.
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