KB4589212 Intel Microcode Updates Windows 10 v2004 and v20H2 - March 9 Win Update

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  1. Posts : 883
    Windows 10
       #40

    steve108 said:
    Multiple CPU IDs in the table with different n
    microcode revisions IIRC. The name helps distinguish rows with duplicate CPU IDs. 306D4 for example appears in multiple rows.
    Microsoft's chart is actually wrong (and you are one of the people in this thread that stated it also).

    In your 306D4 example, Microsoft's chart with i7-5650U will only tell you that you have 0x2D microcode revision as the latest revision.

    But in Intel's chart in Nov 2019, Intel already provided a newer 0x2E microcode revision for i7-5650U.

    https://www.intel.com/content/dam/ww...e-guidance.pdf

    I can't find the newest Intel's chart, but according to Microsoft's chart, Intel has a newer microcode revision 0x2F.

    You just have to go by CPU ID and microcode revision number (which definitely has some sort of alpha-numerical order).
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  2. Posts : 1
    Windows 10
       #41

    Warre1 said:
    Microsoft's list seem to be wrong or old since Intel lists correct microcode for my CPU as DE.
    Affected Processors: Transient Execution Attacks & Related Security Issues by CPU
    I just joined to say thanks for the link @Warre1. The description for the KB had me expecting microcode 0xB4 on my i7-8700K, so I was very confused when I booted with microcode 0xDE 🤔
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  3. Posts : 1,503
    Windows 7 Home Premium x64
       #42

    KB4589212 "V2" released 1/25/2021 on MUC - (x86/32bit) (x64/64bit)
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  4. Brink's Avatar
    Posts : 59,912
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #43

    erpster4 said:
    KB4589212 "V2" released 1/25/2021 on MUC - (x86/32bit) (x64/64bit)
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  5. steve108's Avatar
    Posts : 16,238
    19041.1348 - 2004/20H1 Pro x64
       #44

    Installed v2 and my PC didn't blow up or change microcode versions
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  6. Dav's Avatar
    Dav
    Posts : 92
    Windows 10 Pro X64
       #45

    Easy and clean install with no problems.
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  7. Steve C's Avatar
    Posts : 6,971
    Windows 10 Pro 64 bit
       #46

    Note the table is out of date. The table states the microcode revision is 0xAE for my Whiskey Lake Intel® Core™ Processor i5-8265U but the linked Microsoft document states 0xDE which I already have after a recent HP BIOS update. I suggest people refer to Microsoft's table and not the one in this post.
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  8. Brink's Avatar
    Posts : 59,912
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #47

    Steve C said:
    Note the table is out of date. The table states the microcode revision is 0xAE for my Whiskey Lake Intel® Core™ Processor i5-8265U but the linked Microsoft document states 0xDE which I already have after a recent HP BIOS update. I suggest people refer to Microsoft's table and not the one in this post.
    Table in first post now updated.
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  9. RingTailCoon's Avatar
    Posts : 1,480
    Windows 10 HOME 64-BIT
       #48

    Chrome gave me a false-positive on the update (lol, a virus, Chrome??) , but I installed it nonetheless. Installed fine and dandy!
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  10. Minnie's Avatar
    Posts : 52
    Windows 10 Home 21H2 ( build SO 19044.1348 )
       #49

    Microcode installed.

    At the moment everything is going well.

    Before installation: Running microcode revision: 0x2D (loaded by Microsoft Windows 10 Home)
    After installation: Running microcode revision: 0x2F (loaded by Microsoft Windows 10 Home)

    Thanks to Dimitri Delopoulos for his script: CPU-info [Version 2.5] © 2020

    From 'Update history' in 'Quality updates' of 'Settings' by clicking on the item 'Update for Windows KB4589212' in note 2 it reads:

    'As of February 25, 2020, the update for these select (CPU) products is available through Windows Update.'

    Always first in TenForums!

    Thanks, Brink.
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