CVE-2018-4356

Name: CVE-2018-4356
Creator: NVD / NIST
Published: 2019-04-03T18:29:09.94+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.03%

Last modified Jun 17, 2026

CVE-2018-4356 is a vulnerability of currently unknown severity. A permissions issue existed. This issue was addressed with improved permission validation. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

A permissions issue existed. This issue was addressed with improved permission validation. This issue affected versions prior to iOS 12.

Metrics

EPSS Probability

1.03%

59.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Iphone Os	< 12.0

References

https://support.apple.com/kb/HT209106Vendor Advisory
https://support.apple.com/kb/HT209106Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2018-4356?

A permissions issue existed. This issue was addressed with improved permission validation. This issue affected versions prior to iOS 12.

How severe is CVE-2018-4356?

Severity scoring for CVE-2018-4356 is pending analysis. The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4356?

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-2018-4356?

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

Scan your code now

Source: NVD / NIST