QID 91989

QID 91989: Microsoft Windows Microcode Updates for Vulnerabilities in MMIO Not Installed

Microsoft is making available Intel-validated microcode updates that are related to Microarchitectural Data Sampling.

QID Detection Logic (Authenticated):
OS: Windows 10 64 bit (versions 1507, 1607, 1703, 1709, 1803, 1809), Windows 11,Windows 2016, Windows 2019 Version 1809 Windows 2022
This QID checks file version of "%windir%\System32\mcupdate_GenuineIntel.dll" on a Windows targets running on affected Intel CPU. The affected Process Name is identified via registry: "HKLM\HARDWARE\DESCRIPTION\System\CentralProcessor\ 0 \ProcessorNameString.

An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries.

  • CVSS V3 rated as Medium - 5.5 severity.
  • CVSS V2 rated as Low - 2.1 severity.
    • Solution
    Customers are advised to refer to Summary of Intel microcode updates for more details pertaining to this vulnerability.

    Vendor References

    CVEs related to QID 91989

    CVE-2022-21123 | CVE-2022-21125 | CVE-2022-21127 | CVE-2022-21166 |
    Software Advisories
    Advisory ID Software Component Link
    KB5019106 URL Logo support.microsoft.com/en-us/topic/kb5019106-security-vulnerabilities-exist-in-memory-mapped-i-o-for-some-intel-processors-for-windows-server-2022-march-2-2023-706cddc7-3f34-41e0-98d7-b87aac959b0b
    KB5019177 URL Logo support.microsoft.com/en-us/topic/kb5019177-security-vulnerabilities-exist-in-memory-mapped-i-o-for-some-intel-processors-for-windows-11-version-21h2-march-2-2023-6315c71e-1130-48e8-9225-1d83b0676224
    KB5019178 URL Logo support.microsoft.com/en-us/topic/kb5019178-security-vulnerabilities-exist-in-memory-mapped-i-o-for-some-intel-processors-for-windows-11-version-22h2-march-2-2023-5b50d3f4-6064-441e-b80d-dcff2d7e073d
    KB5019180 URL Logo support.microsoft.com/en-us/topic/kb5019180-security-vulnerabilities-exist-in-memory-mapped-i-o-for-some-intel-processors-for-windows-10-version-20h2-21h2-and-22h2-march-2-2023-f8c174f1-ce5c-469f-9eac-21f8af66b8ea
    KB5019181 URL Logo support.microsoft.com/en-us/topic/kb5019181-security-vulnerabilities-exist-in-memory-mapped-i-o-for-some-intel-processors-for-windows-server-2019-march-2-2023-10b2df3f-3552-4c7c-9c54-951bf8e1fc95
    KB5019182 URL Logo support.microsoft.com/en-us/topic/kb5019182-security-vulnerabilities-exist-in-memory-mapped-i-o-for-some-intel-processors-for-windows-server-2016-march-2-2023-24e65908-dc09-4b35-913a-cdeb1a0e1ca4
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