What is CVE-2022-42791?

CVE-2022-42791 is a high-severity vulnerability in Apple Iphone OS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-11-01.

How severe is CVE-2022-42791?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Apple Iphone OS

CVE-2022-42791

A race condition was addressed with improved state handling. This issue is fixed in macOS Ventura 13. An app may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Race Condition

Published 2022-11-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.3th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Apple Iphone OS
Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

support.apple.com/kb/HT213446 (Vendor Advisory)
support.apple.com/en-us/HT213488 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-42791?: CVE-2022-42791 is a high-severity vulnerability in Apple Iphone OS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-11-01.
How severe is CVE-2022-42791?: High severity. CVSS v3 base score is 7.0 out of 10.