Apple has released bug fix and security updates for all of its operating systems. The company didn’t list any new features in the release notes. These updates fix the BroadPwn vulnerability (see “,” 21 July 2017), so we recommend updating as soon as possible. As always, back up your data first!
macOS 10.12.6 -- is available via Software Update, where it’s an 819 MB download. Alternatively, you can instead download a 1.98 GB  to update from any version of 10.12.
In addition to unspecified bug fixes, 10.12.6 includes the following enterprise-focused changes:
Resolves an issue that prevented making certain SMB connections from the Finder
Fixes an issue that caused Xsan clients to unexpectedly restart when moving a file within a relation point on a Quantum StorNext File System
Improves the stability of the Terminal app
macOS 10.12.6 includes.
iOS 10.3.3 -- You can install the iOS 10.3.3 update via Settings > General > Software Update or through iTunes. It too features and ranges in size from 80 MB to 140 MB.
watchOS 3.2.3 -- watchOS 3.2.3 is a 26.1 MB update that you install via the Watch app on your iPhone (in Watch > Settings > General > Software Update). Remember that the Apple Watch must be on its charger, charged to at least 50 percent, and within range of your iPhone, which itself must be on Wi-Fi. Don’t start installing if you’ll want to use the watch again within an hour or so — watchOS updates take surprisingly long to load. watchOS 3.2.3 includes.
tvOS 10.2.2 -- Finally, Apple released tvOS 10.2.2, which includes. If your fourth-generation Apple TV isn’t set to update automatically, you can get tvOS 10.2.2 via Settings > System > Software Updates > Update Software.