Microsoft has released microcode updates for Windows 10 V1607 through 1809. These are revised versions of Intel Microcode Updates that will be rolled out in February 2019.
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An overview of the Intel Microcode updates (for Windows Server 2016 and Windows 10 Version 1607) can be found in the following KB articles.
- Windows 10 1809: KB4465065 – Microsoft Update Catalog KB4465065
- Windows 10 1803: KB4346084 – Microsoft Update Catalog KB4346084
- Windows 10 1709: KB4346085 – Microsoft Update Catalog KB4346085
- Windows 10 1703: KB4346086 – Microsoft Update Catalog KB4346086
- Windows 10 1607: KB4346087 – Microsoft Update Catalog KB4346087
The Intel microcode updates address the following side channel attacks.
- 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")
Intel Microcode updates are available for download from the Microsoft Update Catalog. (via)
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