Exploited vulnerability · CISA KEV

Is CVE-2023-42824 exploited? Yes: in CISA KEV since 5 Oct 2023

Gociux · Apple iOS and iPadOS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2023-42824, Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 5 Oct 2023, 1 days after it was published. It affects Apple iOS and iPadOS. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What it is

Apple iOS and iPadOS contain an unspecified vulnerability that allows for local privilege escalation.

What to do

1. Check whether you run it. Look for iOS and iPadOS in your asset inventory, including appliances and cloud images. Stack check lists every exploited Apple CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 4 Oct 2023.
4. Get told next time. Email alerts when CISA adds a CVE for Apple.

Other exploited CVEs in iOS and iPadOS

• CVE-2023-41974: Apple iOS and iPadOS Use-After-Free Vulnerability (5 Mar 2026)
• CVE-2025-24200: Apple iOS and iPadOS Incorrect Authorization Vulnerability (12 Feb 2025)
• CVE-2022-42827: Apple iOS and iPadOS Out-of-Bounds Write Vulnerability (25 Oct 2022)
• CVE-2021-30983: Apple iOS and iPadOS Buffer Overflow Vulnerability (27 Jun 2022)

References

• support.apple.com/en-us/HT213961
• nvd.nist.gov/vuln/detail/CVE-2023-42824

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in October 2023 · Apple scorecard · act-now radar.