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Microsoft Windows 10 KB5073724 extended security update

Security Patch Release
First reported
Last updated
Happening score
H score 29
1 unique sources, 1 articles

Summary

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Microsoft's KB5073724 extended security update for Windows 10 closes 114 vulnerabilities, including 3 zero-days, and addresses expiring Secure Boot certificates.

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Timeline

  1. 13.01.2026 20:56 2 articles · 5mo ago

    Microsoft releases KB5073724 for Windows 10

    Initial Disclosure

    Microsoft releases the KB5073724 extended security update for Windows 10 and Windows 10 Enterprise LTSC as part of January 2026 Patch Tuesday, delivering security and bug fixes only, fixing 114 vulnerabilities including 3 zero-days, and updating Windows 10 to build 19045.6809 and Windows 10 Enterprise LTSC 2021 to build 19044.6809.

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  2. 13.01.2026 20:56 1 articles · 5mo ago

    KB5073724 addresses Agere modem drivers, WinSqlite3.dll, and Secure Boot rollout

    Technical Analysis Update

    KB5073724 addresses an actively exploited elevation of privileges issue in the built-in Agere modem drivers, updates WinSqlite3.dll, and begins rolling out targeted Secure Boot certificate updates using high-confidence device targeting data so eligible devices receive new certificates after sufficient successful update signals.

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