This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the. Download macOS Big Sur If you’re using macOS Mojave or later, choose Apple menu System Preferences, then click Software Update. If you’re using an earlier macOS, use the App Store instead. Use Software Update to find and install updates for macOS, built-in apps like Safari, and apps downloaded from the App Store. Use Software Update Choose System Preferences from the Apple menu, then click Software Update to check for updates.
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Released February 9, 2021
Intel Graphics Driver
Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: An out-of-bounds write was addressed with improved input validation.
CVE-2021-1805: ABC Research s.r.o. working with Trend Micro Zero Day Initiative
Intel Graphics Driver
Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A race condition was addressed with additional validation.
CVE-2021-1806: ABC Research s.r.o. working with Trend Micro Zero Day Initiative
Sudo
Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7, macOS Mojave 10.14.6
Impact: A local attacker may be able to elevate their privileges
Description: This issue was addressed by updating to sudo version 1.9.5p2.
CVE-2021-3156: Qualys
* After installing this update, the build number for macOS Catalina 10.15.7 is 19H524.
Learn how to update your iPhone, iPad, or iPod touch to the latest version of iOS or iPadOS.