KLA11891
Microsoft Advisory for Microsoft Products (ESU)

Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities (known as Spectre and Meltdown). An additional vulnerability involving side channel speculative execution has been announced and assigned CVE-2018-3665.

An attacker locally could cause information stored in FP (Floating Point), MMX, and SSE register state to be disclosed across security boundaries on Intel Core family CPUs through speculative execution. An attacker must be able to execute code locally on a system in order to exploit this vulnerability, similar to the other speculative execution vulnerabilities.

Windows 10
Windows 8
Windows 7
Windows Server 2008
Windows Server 2012

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

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