CVE-2023-23529

Apple iOS and iPadOS, Apple Safari, Apple macOS

Published 27 Feb 2023 · updated 17 Jun 2026 · Analyzed

8.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 14 Feb 2023, with a remediation deadline of 7 Mar 2023 for US federal agencies.

Required action: Apply updates per vendor instructions.

Description

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3. 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.

References

support.apple.com/en-us/HT213633 · Release Notes, Vendor Advisory
support.apple.com/en-us/HT213635 · Release Notes, Vendor Advisory
support.apple.com/en-us/HT213638 · Release Notes, Vendor Advisory
support.apple.com/en-us/HT213673 · Release Notes, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23529 · US Government Resource