Microsoft releases Windows 10 KB5073724 extended security update
ID: a1a5fd6f-53c6-54d6-b19c-c1894aa1e36c
STIX ID: report--a1a5fd6f-53c6-54d6-b19c-c1894aa1e36c
Feed Name: Bleeping Computer
Threat Score
Microsoft released KB5073724 (Windows 10 builds 19045.6809 / 19044.6809) addressing 114 vulnerabilities from the January 2026 Patch Tuesday, including three zero-days and an actively exploited elevation-of-privilege in Agere modem drivers and a WinSqlite3.dll fix; the update also removes legacy modem drivers and deploys new Secure Boot certificates to mitigate expiring 2011 certificates that could break Secure Boot protections if not updated.
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