Apple today released a supplemental update for macOS Catalina 10.15.7, introducing security fixes. The macOS 10.15.7 Supplemental Update comes more than a month after the release of macOS Catalina 10.15.7.
The macOS Catalina 10.15.7 Supplemental Update can be downloaded from the Mac App Store using the Update feature in the System Preferences app.
According to Apple’s release notes, the Supplemental Update improves the security of macOS and is recommended for all users. An Apple support document outlines several vulnerabilities that that have been addressed, including those that leave the Mac vulnerable to malicious fonts and applications.
Read more at MacRumors.com