Does Windows 8.1 contain updates when downloaded with the Media Creation Tool?

AkhirAbhiRa 1 Reputation point

If I download Windows 8.1 (to install on another PC) using Microsoft's Media Creation Tool would it include many recent updates, and of what kind? (I can find no recent answers). I'm presuming that it would the most recent build number.
Are there any security updates that I should download seperately so I can install them before the machine goes online? I'm particularly thinking of the well-published vulnerabilities affecting CPU's eg, Spectre & Meltdown (it has an intel CPU).

Additional information:

Creating an ISO with the MCT to reinstall 8.1 on another PC.
8.1 PC is currently offline, custom build, with genuine install of 8.1.
PC is problematic, looked into it a lot, and the general opinion was to reinstall Windows.
The original 8.1 media is years old, hoping to starting with a newer build and recent updates.
For security, I would ideally have Windows updates for intel in place, before it goes online if that's possible. (Would intel updates come with the ISO as standard?)
I've found Spectre intel updates for Windows 10, but not for 8.1.

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  1. Docs 15,491 Reputation points

    Typically there is no detailed information displayed before download.

    After the creation of the MCT commands can be used to find the information about the information (version, build, dates, etc.) within the Windows iso.

    To reference any updates enter the KB# information in the Microsoft catalog:

    See this tutorial:

    If you've got preferences they can be sent to Microsoft using the feedback hub:
    (win + f)

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