Microsoft has released KB4465065 – Intel Firmware Update for Windows October 10, 2018 Update (version 1809) and Windows Server 2019 (1809), which protects against attacks that exploit Spectre Variant 3a, 4 and L1TF vulnerabilities.
Intel firmware update for devices running Windows 10, version 1809 (October 2018 Update) based on x86, x64 and Windows Server 2019 (1809) processors for x64-based systems has become available.
KB4465065 includes firmware updates for certain models of Intel processors, which with this update will protect against the exploitation of the following vulnerabilities:
Spectre Variant 3a (CVE-2018-3640: “Rogue System Register Read (RSRE)”)
Spectre Variant 4 (CVE-2018-3639: “Speculative Store Bypass (SSB)”)
L1TF (CVE-2018-3620, CVE-2018-3646: “L1 Terminal Fault”)
A complete list of Intel processors is available on the Microsoft website.
Download update KB4465065Download x64 version
Download x86 version
Download Windows Server 2019 version