Apple Releases Security Updates | CISA

About the security content of macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave – Apple Support

Apple has released security updates to address vulnerabilities in macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6. An attacker could exploit some of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the Apple security update and apply the necessary updates.