Windows Server 2022 build 20348.4773 (KB5075906) — release notes, known issues

Windows Server · 2022 · Release · Security update (Patch Tuesday)

February 10, 2026—KB5075906 (OS Build 20348.4773)

Windows Server 2022: Supported LTSC release

All 2022 builds JSON — this build from the builds API

Microsoft's known issues — KB5075906

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 .

No problems reported on the forum for this build yet. Threads that name 20348.4773 or KB5075906 and describe a fault appear here automatically.

Coverage Windows Server 2022 File Sharing Guide: GUI Setup and Automation Feb 7, 2026 · Windows Server 2022 coverage from this build's release window
Fix etcd CVE-2022-34038: Patch fixes PageWriter panic in v3.5.5 Feb 18, 2026 · Windows Server 2022 coverage from this build's release window
Issue CVE-2022-47696: Binutils objdump DoS crash from crafted files Feb 18, 2026 · Windows Server 2022 coverage from this build's release window
Fix Patch Binutils addr2line CVE-2022-47673: Fix Out-of-Bounds Read Now Feb 18, 2026 · Windows Server 2022 coverage from this build's release window
Fix Go gzip Reader DoS: CVE-2022-30631 Fixed in Go 1.17.12 and 1.18.4 Feb 18, 2026 · Windows Server 2022 coverage from this build's release window
Issue CVE-2022-30629: Go TLS Ticket Age Add Bug and Azure Linux Attestation Feb 18, 2026 · Windows Server 2022 coverage from this build's release window
Fix OSTree CVE-2022-47085: Safe Panic Handling in Rust Bindings Fixed Feb 18, 2026 · Windows Server 2022 coverage from this build's release window
Coverage CVE-2022-28737 Shim Overflow: Azure Linux Attestation and Exposure Feb 18, 2026 · Windows Server 2022 coverage from this build's release window

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