Windows Server · 2025 · Release · Security update (Patch Tuesday)

Windows Server 2025 (26100.33296)

Windows Server 2025: Current LTSC release

AI summary

Windows Server 2025 (26100.33296) is an LTSC cumulative build delivering performance refinements, security hardening, and bug fixes that improve reliability across server workloads.

Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.

Microsoft's known issues — KB5120233

  • Issue Known issue After installing KB5070881 or later updates, Windows Server Update Services (WSUS) does not display synchronization error details within its error reporting. This functionality is temporarily removed to address the Remote Code Execution Vulnerability, CVE-2025-59287 .

Microsoft's release notes for KB5120233 ›

Known issues — reported on the forum

No problems reported on the forum for this build yet. Threads that name 26100.33296 or KB5120233 and describe a fault appear here automatically.

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