Intel Firmware Updates for Windows 10. MDS Attack Protection

KB4497165, KB4494174, KB4494451, KB4494453, KB4494175, KB4494454 updates are available for manual download in the Microsoft Update Catalog.

Microsoft has released Intel firmware updates for all supported versions of Windows 10 that protect against attacks that exploit Microarchitectural Data Sampling (MDS) vulnerabilities.

On May 14, 2019, Intel uncovered a new vulnerability group in its processors, which it calls “microarchitectural data sampling” —Microarchitectural Data Sampling (MDS) or ZombieLoad. Vulnerabilities are associated with speculative execution attacks, such as Specter or Meltdown, discovered last year. This issue affects all modern Intel processors on servers, desktops and laptops.

Microsoft has released Intel firmware updates for Windows 10

On May 18, 2019, Intel firmware updates for devices running all supported Windows 10 versions became available:

KB4497165 – for Windows 10, version 1903
KB4494174 – for Windows 10, version 1809
KB4494451 – for Windows 10, version 1803
KB4494453 – for Windows 10, version 1703
KB4494175 – for Windows 10, version 1607
KB4494454 – for Windows 10, version 1507

Firmware updates are designed for specific Intel processor models that, with this update, will protect against the exploitation of the following vulnerabilities:

CVE-2019-11091 – Microarchitectural Data Sampling Uncacheable Memory (MDSUM)
CVE-2018-12126 – Microarchitectural Store Buffer Data Sampling (MSBDS)?
CVE-2018-12127 – Microarchitectural Load Port Data Sampling (MLPDS)
CVE-2018-12130 – Microarchitectural Fill Buffer Data Sampling (MFBDS)

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