CVE-2016-4771

Name: CVE-2016-4771
Creator: NVD / NIST
Published: 2016-09-25T11:00:03.677+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.78%

Last modified Jun 17, 2026

CVE-2016-4771 is a vulnerability of currently unknown severity. The kernel in Apple iOS before 10 and OS X before 10.12 allows local users to bypass intended file-access restrictions via a crafted directory pathname.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

The kernel in Apple iOS before 10 and OS X before 10.12 allows local users to bypass intended file-access restrictions via a crafted directory pathname.

Metrics

EPSS Probability

0.78%

51.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Apple	Iphone Os	<= 9.3.5
Apple	Mac Os X	<= 10.11.6

References

http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.htmlMailing List, Vendor Advisory
http://www.securityfocus.com/bid/93056
http://www.securitytracker.com/id/1036858
https://support.apple.com/HT207143Vendor Advisory
https://support.apple.com/HT207170Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.htmlMailing List, Vendor Advisory
http://www.securityfocus.com/bid/93056
http://www.securitytracker.com/id/1036858
https://support.apple.com/HT207143Vendor Advisory
https://support.apple.com/HT207170Vendor Advisory

Timeline

Published: Sep 25, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4771?

The kernel in Apple iOS before 10 and OS X before 10.12 allows local users to bypass intended file-access restrictions via a crafted directory pathname.

How severe is CVE-2016-4771?

Severity scoring for CVE-2016-4771 is pending analysis. The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4771?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4771?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST