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January 13, 2026—KB5073457 (OS Build 20348.4648)

🗓️ 13 Jan 2026 16:00:00Reported by MicrosoftType 
mskb
 mskb🔗 support.microsoft.com👁 27 Views

KB5073457 for Windows Server 2022 fixes security issues, removes outdated modem drivers, and updates Remote Desktop.

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13 Jan 2026 16:00Current
7.2High risk
Vulners AI Score7.2
CVSS 3.19.8
CVSS 47.2
EPSS0.99962
SSVC
Windows Server 2022Security fixesModem drivers removedRemote Desktop fixSecure Boot expiry guidance
27