Microsoft Windows Server 2025 Update Version OS Build 26100.32995

KB5094125 updates Windows Server 2025 to OS Build 26100.32995 with security fixes, quality improvements, and non-security updates from KB5087539. It also adds DNS over HTTPS for DNS Server and includes Secure Boot and Windows Update reliability fixes. Reference IDs: KB5082063, KB5070881, CVE-2025-59287.

• Includes the latest security fixes for Windows Server 2025.
• Secure Boot rollout improvements add higher-confidence device targeting data for delivery of new Secure Boot certificates.
• Adds the LimitSecureBootRequiredServiceData Group Policy and MDM setting to reduce Secure Boot service data sent to Microsoft.
• WSUS synchronization error details are temporarily removed to address CVE-2025-59287.

• Fixes a BitLocker Recovery issue that could occur after boot file updates on systems with certain TPM validation settings, including invalid PCR7 configurations.
• Improves File Explorer search support for Chinese text and UTF-8 encoded files without a BOM, with clearer text in search results, Content view, and tooltips.
• Improves reliability during user profile load by managing system resources more efficiently.
• Fixes a Windows Update Standalone Installer issue where WUSA could fail with ERROR_BAD_PATHNAME when opening .msu files or running from a network share with multiple .msu files.

• Windows Server 2025 DNS Server now supports DNS over HTTPS (DoH) for encrypted server-client DNS communication.

• WSUS does not display synchronization error details after installing KB5070881 or later updates.

• The Secure Boot certificate update is delivered gradually through Windows Update after devices show sufficient successful update signals.
• The LimitSecureBootRequiredServiceData policy is included in the Windows Restricted Traffic Limited Functionality Baseline.
• DNS over HTTPS support applies only to server-client communication and does not support encrypted DNS between servers.
• WSUS error details were removed temporarily while addressing CVE-2025-59287.

• Windows release health dashboard
  https://learn.microsoft.com/windows/release-health/
• Windows Server 2025 update history
  https://learn.microsoft.com/windows/release-health/status-windows-server-2025

Product Information

Vendor: Microsoft

Product: Windows Server 2025

Version: OS Build 26100.32995

Release date: Jun 9, 2026