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Microcodes released to fix MDS problems in Windows 10

By Vitus White
Published in How To
March 27, 2020
1 min read

At the end of May 2019, it became known that information security specialists discovered a new class of vulnerabilities in Intel processors: Microarchitectural Data Sampling (MDS). As well as Specter and Meltdown vulnerabilities, new bugs are associated with a proactive (or speculative) command execution mechanism.

The researchers identified four vulnerabilities and divided them into three groups: RIDL, Fallout and ZombieLoad. All these bugs allow an attacker to read data from places to which he should not have access (OS kernel, processes, Software Guard eXtensions enclaves), and then steal passwords, cryptographic keys and other personal data.

Now, to fix these problems in older versions of Windows 10 and Windows Server, Microsoft has prepared the following updates:

  • KB4494175: Intel microcode updates for Windows 10, version 1607 and Windows Server 2016
  • KB4494452: Intel microcode updates for Windows 10, version 1709
  • KB4494453: Intel microcode updates for Windows 10, version 1703
  • KB4494454: Intel microcode updates for Windows 10 RTM


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Vitus White

Vitus White

Web Developer

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