Adobe released the Patch Tuesday, this month it only addressed a moderate severity regression issue affecting Flash Player tracked as CVE-2017-11305. The vulnerability was described as a business logic error, that can cause the unintended reset of the global settings preference file. Microsoft has also updated the Flash Player components used by its software in order to address this issue. In November, Adobe addressed a total of 80 vulnerabilities across 9 products, most of which for Acrobat and Reader, including dozens of RCE issues.”]
Source: http://securityaffairs.co/wordpress/66672/security/flash-player-regression-issue.html