CVE-2015-5891: Apple Mac OS X

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

The SMB implementation in the kernel in Apple OS X before 10.11 allows local users to gain privileges or cause a denial of service (memory corruption) via unspecified vectors.

Affected products

• Apple Mac OS X: up to and including 10.10.5

Published 2015-10-09. Last modified 2026-06-17.