SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2011-3216

The kernel in Apple Mac OS X before 10.7.2 does not properly implement the sticky bit for directories, which might allow local users to bypass intended permissions and delete files via an unlink system call.

LOW 2.1EPSS 0.35%

Does this matter?

Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.

Description

The kernel in Apple Mac OS X before 10.7.2 does not properly implement the sticky bit for directories, which might allow local users to bypass intended permissions and delete files via an unlink system call.

CVSS 2.0
2.1 LOWAV:L/AC:L/Au:N/C:N/I:P/A:N
EPSS
0.35% probability · 28th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-264
Affected
apple/mac os x · apple/mac os x server
Source
product-security@apple.com
EPSS trend
0%3%5%26 October 2026: 0.35%26 October 202626 October 2026

EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.