CVE-2023-32439

HIGH8.8

CISA KEV

Published 2023-06-23 · Updated 2026-06-17 · Source product-security@apple.com

Summary

CVE-2023-32439 is a high-severity (CVSS 8.8) vulnerability in Apple Multiple Products. CISA added it to the Known Exploited Vulnerabilities catalog on June 23, 2023, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by July 14, 2023. CISA does not currently list it as used in ransomware campaigns. Apple has 96 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

All 96 known-exploited Apple vulnerabilities →

Description

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-843CWE-843

CISA Known-Exploited Vulnerability

Product: Apple — Multiple Products

Name: Apple Multiple Products WebKit Type Confusion Vulnerability

Date added: 2023-06-23 · Due: 2023-07-14

Required action: Apply updates per vendor instructions.

References

View on NVD

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