Windows Server · 2025 · Release · Out-of-band update
January 24, 2026—KB5078135 (OS Build 26100.32236) Out-of-band
- Release
- Cumulative update
- KB5078135 — Microsoft's article, opens in a new tab
Windows Server 2025: Current LTSC release
Microsoft's known issues — KB5078135
- 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 .
Known issues — reported on the forum
No problems reported on the forum for this build yet. Threads that name 26100.32236 or KB5078135 and describe a fault appear here automatically.
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Discussed on the forum
No member thread names 26100.32236 yet.