Exploited vulnerability · CISA KEV

Is CVE-2022-42827 exploited? Yes: in CISA KEV since 25 Oct 2022

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

Yes. CVE-2022-42827, Apple iOS and iPadOS Out-of-Bounds Write Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Oct 2022. It affects Apple iOS and iPadOS. If you run it, CISA's required action is: Apply updates per vendor instructions.

What it is

Apple iOS and iPadOS kernel contain an out-of-bounds write vulnerability which can allow an application to perform code execution with kernel privileges.

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 updates per vendor instructions.
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 1 Nov 2022.
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-2023-42824: Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability (5 Oct 2023)
• CVE-2021-30983: Apple iOS and iPadOS Buffer Overflow Vulnerability (27 Jun 2022)

References

• support.apple.com/en-us/HT213489
• nvd.nist.gov/vuln/detail/CVE-2022-42827

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 2022 · Apple scorecard · act-now radar.