On the main PHP.net site they've announced the release of several new versions for the PHP 7.1.x and 7.2.x series as well as the first Release Candidate for PHP 7.3.0.

The PHP development team announces the immediate availability of PHP 7.1.22 [and 7.0.32/7.2.10]. This is a security release. One security bug has been fixed in this release. All PHP 7.1 [and 7.2] users are encouraged to upgrade to this version.

These updates can be downloaded from the main downloads page or windows.php.net for the Windows binaries. The pre-release PHP 7.3.0RC1 is also available from the QA site or the Windows QA site.