July 2019 – New Microsoft security update for Spectre variant

If you remember the flurry of news from the beginning of 2018 about side channel attacks called Spectre and Meltdown, Microsoft has included in its July update a patch for a newly discovered Spectre variant 1 attack method. According to Microsoft’s revision announcement, this one does not require a microcode update. Definitely check the security bulletin for the OSes you handle, because there are some known issues.