What is CVE-2023-32358?

CVE-2023-32358 is a high-severity vulnerability in Apple iOS And Ipados, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2023-08-14.

How severe is CVE-2023-32358?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2023-32358

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.4 and iPadOS 16.4, macOS Ventura 13.3. Processing web content may lead to arbitrary code execution.

Published 2023-08-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.1th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Apple iOS And Ipados — versions unspecified
Apple Ipados
Apple Iphone OS
Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

support.apple.com/en-us/HT213670 (Release Notes, Vendor Advisory)
support.apple.com/en-us/HT213676 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-32358?: CVE-2023-32358 is a high-severity vulnerability in Apple iOS And Ipados, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2023-08-14.
How severe is CVE-2023-32358?: High severity. CVSS v3 base score is 8.8 out of 10.