Microsoft Releases Intel Microcode Patches for Foreshadow Flaws
Microsoft has now released patches for the Foreshadow flaws. The updates are available for all supported versions of Windows 10 and Windows Server.
The Foreshadow/L1TF vulnerabilities are CVE-2018-3615, which impacts Intel’s Software Guard Extensions (SGX); CVE-2018-3620, which impacts operating systems and System Management Mode (SMM); and CVE-2018-3646, which affects virtualization software and Virtual Machine Monitors (VMM).
Microsoft made the updates, all dated 20th August 2018, available on the Microsoft Update Catalog this week.
- Windows 10 version 1803: KB4346084 (Catalog link) – this update replaces KB4100347
- Windows 10 version 1709: KB4346085 (Catalog link) – this update replaces KB4090007
- Windows 10 version 1703: KB4346086 (Catalog link) – this update replaces KB4091663
- Windows 10 version 1607: KB4346087 (Catalog link) – this update replaces KB4091664
- Windows 10 version 1507: KB4346088 (Catalog link) – this update replaces KB4091666
Links
KB4346084 – Intel microcode updates

Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.