CVE-2023-42824

Name: CVE-2023-42824
Creator: NVD / NIST
Published: 2023-10-04T19:15:10.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10Actively ExploitedEPSS 0.94%

Last modified Jun 17, 2026

CVE-2023-42824 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The issue was addressed with improved checks. This issue is fixed in iOS 16.7.1 and iPadOS 16.7.1. CISA has confirmed active exploitation in the wild. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

The issue was addressed with improved checks. This issue is fixed in iOS 16.7.1 and iPadOS 16.7.1. A local attacker may be able to elevate their privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.6.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.94%

56.5th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Oct 26, 2023.

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 16.7.1
Apple	Ipados	>= 17.0, < 17.0.3
Apple	Iphone Os	< 16.7.1
Apple	Iphone Os	>= 17.0, < 17.0.3

References

https://support.apple.com/en-us/HT213972Vendor Advisory
https://support.apple.com/en-us/HT213972Vendor Advisory
https://support.apple.com/kb/HT213961Vendor Advisory
https://support.apple.com/kb/HT213972Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42824US Government Resource

Timeline

Published: Oct 4, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-42824?

How severe is CVE-2023-42824?

CVE-2023-42824 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2023-42824?

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-2023-42824?

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

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Source: NVD / NIST