CVE-2018-4276

Name: CVE-2018-4276
Creator: NVD / NIST
Published: 2019-04-03T18:29:05.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.23%

Last modified Jun 17, 2026

CVE-2018-4276 is a vulnerability of currently unknown severity. A null pointer dereference was addressed with improved validation. This issue affected versions prior to macOS High Sierra 10.13.6.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

A null pointer dereference was addressed with improved validation. This issue affected versions prior to macOS High Sierra 10.13.6.

Metrics

EPSS Probability

1.23%

65.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	< 10.13.6

References

https://support.apple.com/kb/HT208937Vendor Advisory
https://support.apple.com/kb/HT208937Vendor Advisory

Timeline

Published: Apr 3, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4276?

A null pointer dereference was addressed with improved validation. This issue affected versions prior to macOS High Sierra 10.13.6.

How severe is CVE-2018-4276?

Severity scoring for CVE-2018-4276 is pending analysis. The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4276?

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-2018-4276?

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

Scan your code now

Source: NVD / NIST