What is CVE-2022-46709?

CVE-2022-46709 is a critical-severity vulnerability in Apple Iphone OS, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-04-10.

How severe is CVE-2022-46709?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-46709 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Apple Iphone OS

CVE-2022-46709

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13, iOS 16. An app may be able to execute arbitrary code with kernel privileges

Vulnerability class: Buffer Overflow

Published 2023-04-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (53.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apple Iphone OS
Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

didi/kemon

References

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

Frequently asked questions

What is CVE-2022-46709?: CVE-2022-46709 is a critical-severity vulnerability in Apple Iphone OS, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-04-10.
How severe is CVE-2022-46709?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-46709 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.