Windows Server 2022 build 20348.5761 (KB5126655) — release notes, known issues

• Issue Known issue After installing KB5070884 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 KB5126655 ›

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• Coverage CISA KEV Adds Exploited Windows MOTW Bypass and Ivanti Connect Secure Flaw Oct 13, 2026 · names this build
• Fix October 2026 Patch Tuesday: Excel paste finally fixed, File History restored, and 24H2 Home/Pro gets its last update Oct 13, 2026 · names this build

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