The Sandbox subsystem in Apple OS X before 10.11.1 allows local users to gain privileges via vectors involving NVRAM parameters.
http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html
https://support.apple.com/HT205375
Source: Mitre, NVD
Published: 2015-10-23
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High