Apple has released macOS High Sierra 10.13.2 which addresses the “Spectre” vulnerability that was acknowledged last week. Spectre is a serious hardware-based exploits that take advantage of the speculative execution mechanism of a CPU, allowing hackers to gain access to sensitive information.

While the┬ásister vulnerability “Meltdown” was addressed in the initial macOS High Sierra 10.13.2 update, Apple said it would introduce a mitigation for Spectre in macOS and iOS early this week. Due to the fact that there is no hardware fix for Spectre, Apple is addressing the vulnerability using Safari-based software workarounds.

There’s also a Safari 11.0.2 update available for macOS Sierra 10.12.6 and OS X El Capitan 10.11.6 that is designed to mitigate the effects of the Spectre vulnerability. Customers running macOS Sierra and OS X El Capitan should download the new version of Safari to make sure their machines are protected. Apple has also released iOS 11.2.2 for both the iPhone and iPad, the Apple Watch is not affected by either Spectre or Meltdown.