The NVIDIA Graphics Drivers subsystem in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1846.
https://www.exploit-db.com/exploits/39930/
https://support.apple.com/HT206567
https://bugs.chromium.org/p/project-zero/issues/detail?id=724
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html