Apple has released security updates to address vulnerabilities in multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system.
CERT Bulgaria encourages users and administrators to review the Apple security pages for the following products and apply the necessary updates:
iCloud for Windows 7.9
iTunes 12.9.2 for Windows
macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra