Adobe released security bulletin APSB19-02 that describes two security updates for critical vulnerabilities in Adobe Acrobat and Reader. In these updates only two vulnerabilities were fixed, but they are classified as Critical because they allow privilege escalation and arbitrary code execution.
The first vulnerability was assigned ID CVE-2018-16011 and is a use after free bug that could allow arbitrary code execution. The second vulnerability was assigned CVE-2018-19725 and allows attackers to execute code at a higher privilege level.
Read more about the critical Adobe vulnerabilities on BleepingComputer.