Applying this update will enable the Spectre Variant 2 mitigation CVE-2017-5715 - “Branch target injection vulnerability.”
Advanced users can also manually enable mitigation against Spectre, Variant 2 through the registry settings documented in the following articles:
- Windows Client Guidance for IT Pros to protect against speculative execution side-channel vulnerabilities
- Windows Server Guidance to protect against speculative execution side-channel vulnerabilities
Consult with your device manufacturer’s and Intel’s websites regarding their microcode recommendation for your device before applying this update to your device.