What’s Vulnerable › Vulnerabilities

CVE-2023-42824: Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-10-05
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-04 · updated 2026-06-17

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.

Affected products

• Apple iPadOS: before 16.7.1; from 17.0 before 17.0.3 — fixed in 16.7.1, 17.0.3
• Apple Iphone Os: before 16.7.1; from 17.0 before 17.0.3 — fixed in 16.7.1, 17.0.3

How to fix

Upgrade to a fixed version: Apple iPadOS 16.7.1, 17.0.3; Apple Iphone Os 16.7.1, 17.0.3. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213972
• https://support.apple.com/en-us/HT213972
• https://support.apple.com/kb/HT213961
• https://support.apple.com/kb/HT213972
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42824

Get alerted when CVE-2023-42824 or the next vulnerability affects your stack