Apple have released updates to macOS High Sierra, macOS Sierra and OS X El Capitan today.
The updates for Sierra and El Capitan include mitigations for the Meltdown and Spectre vulnerabilities.
You can use the information below to search or report on the disposition of your inventory/fleet and read more from Apple.
- macOS High Sierra 10.13.3
Build numbers: 17D47 or 17D2047 (depending on hardware, both are current) - Security Update 2018-001 Sierra
Build number: 16G1212 - Security Update 2018-001 El Capitan
Build number: 15G19009
For more information: About the security content of macOS High Sierra 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan