Windows 10’s era of free, vendor-supplied security updates ended with a clear calendar cut‑off on October 14, 2025, and Microsoft’s replacement path is a time‑boxed, security‑only Extended Security Updates (ESU) program that shifts the burden — and in many cases the cost — of staying protected...
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Microsoft’s first security update for Windows 10 in 2026, KB5073724, is a compact but consequential patch: it’s a security-only cumulative for Extended Security Update (ESU) and LTSC devices that removes legacy modem drivers, prepares devices for Microsoft’s replacement Secure Boot certificates...
