How severe is CVE-2023-42824?

CVE-2023-42824 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2023-42824?

Affected package information for CVE-2023-42824 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2023-42824?

No fixed version has been published for CVE-2023-42824 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2023-42824 actively exploited in the wild?

Yes. There are 4 known exploit references for CVE-2023-42824, including 3 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2023-42824?

CVE-2023-42824 has an EPSS (Exploit Prediction Scoring System) score of 1.0%, placing it in the 77th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2023-42824 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2023-42824 (Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2023-10-05. CISA required all US federal civilian agencies to remediate this vulnerability by 2023-10-26. The required action was: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

Which products and versions are affected by CVE-2023-42824?

CVE-2023-42824 affects apple ipados; apple iphone os. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2023-42824 published, and has it been updated?

CVE-2023-42824 was published on October 4, 2023 and was last updated on November 5, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2023-10-05 — agencies required to remediate by 2023-10-26

CVE-2023-42824

HIGH

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…

Published

Oct 4, 2023

Updated

Nov 5, 2025

Affected

0 pkgs

Patched

None yet

Exploits

4 known

EPSS Exploitation Probability

via FIRST.org ↗

1.0%probability of exploitation in next 30 days

Lower Risk77th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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

2 products · 4 configurations

ipadosapple

≥ 17.0 && < 17.0.3

range

iphone osapple

≥ 17.0 && < 17.0.3

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

The issue was addressed with improved checks. This issue is fixed in iOS…

support.apple.comGoogle-sheetOct 2023

The issue was addressed with improved checks. This issue is fixed in iOS…

nvd.nist.govNVDOct 2023

The issue was addressed with improved checks. This issue is fixed in iOS…

cisa.govCISAOct 2023

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2023-42824 in your stack?

O3 detects CVE-2023-42824 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works