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October 23, 2025—KB5070884 (OS Build 20348.4297) Out-of-band

🗓️ 14 Oct 2025 14:00:00Reported by MicrosoftType 
mskb
 mskb🔗 support.microsoft.com👁 6 Views

October 23, 2025 OOB update KB5070884 fixes WSUS remote code execution and notes Secure Boot certificate expiry.

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14 Oct 2025 14:00Current
9.4High risk
Vulners AI Score9.4
CVSS 3.19.8
EPSS0.72697
SSVC
secure boot expirywsus fixwindows server 2022
6