Here we go again: Microsoft has released new Intel microcode updates to the Windows 10 that replace or update previous updates to Specter variants.
Updates are available for Windows 10 in versions 1803, 1709, 1703, 1607 and 1507. Currently only available through the Microsoft Update Catalog.
Updates KB4346084, KB4346085, KB4346086, KB4346087, KB4346087, KB4346087, KB4346087, and KB4346088 protect against various attacks that target vulnerabilities in Intel processors and affect most of them.
Tip: If you want to know if your computer is affected you can try the Intel processor with the free tool InSpectre for Windows.
Microsoft says for updates:
Intel announced recently that it has completed its validations and started providing microcode for recent CPUs that protect against Specter Variant 3a (CVE-2018-3640: “RSRE)”, Specter Variant 4 (CVE-2018-3639: “Storage Bypass (SSB )”), L1TF (CVE-2018-3615, CVE-2018-3646: “L1 Terminal Fault”).
In short, the new update adds protection for Specter variants 3a and 4 and includes previous updates released by Intel and Microsoft.
The updates are standalone for Windows 10, and the fixes work directly (protect directly) on the systems of those concerned. Those of you who are thinking of updating the update links are below:
- Windows 10 version 1803: KB4346084 (Catalog link) replaces KB4100347
- Windows 10 version 1709: KB4346085 (Catalog link) replaces KB4090007
- Windows 10 version 1703: KB4346086 (Catalog link) replaces KB4091663
- Windows 10 version 1607: KB4346087 (Catalog link) replaces KB4091664
- Windows 10 version 1507: KB4346088 (Catalog link) replaces KB4091666
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