iTunes 12.7.3, the latest version, is designed to support HomePod smart speaker and available to download for both Windows & Mac systems. This new version of iTunes is released on January 23, 2018. Apple doesn’t introduce more features with this iTunes update. The update is available on the Mac App Store and Windows users can grab it via Apple Software update. If you want to update your system in an offline environment, you can download iTunes 12.7.3 offline installer using direct links given in this blog post.
Apple security team addressed two vulnerabilities (CVE-2018-4088 and CVE-2018-4096) in iTunes 12.7.3 update. The first vulnerability was reported by Jeonghoon Shin of Theori and another was found by OSS-Fuzz. Apple always prefers not to disclose vulnerabilities and their impact before pushing out the patch for them.
Changelog of iTunes 12.7.3
According to Apple
“iTunes is now designed to work with HomePod. Use the improved AirPlay menu to easily choose HomePod and control what plays next with your Apple Music subscription.”
Security content of iTunes 12.7.3 for Windows
Available for: Windows 7 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4088: Jeonghoon Shin of Theori
CVE-2018-4096: found by OSS-Fuzz
Direct Download iTunes 12.7.3 Offline Installer
iTunes offline installer links are taken from the official repository of Apple hence these are safe to use.