Use-After-Free Vulnerability in Safari and Apple Products
CVE-2026-43727

Currently unrated

Key Information:

Vendor: Apple
Status: Safari; iOS And iPad OS; Mac OS
Vendor: CVE Published:; 29 June 2026

What is CVE-2026-43727?

A use-after-free vulnerability has been identified in Safari and other Apple products due to improper memory management, which can lead to unexpected application crashes when processing specially crafted web content. This vulnerability has been addressed in the latest updates to ensure a more secure browsing experience for users across multiple platforms, including Safari, iOS, and macOS.

Affected Version(s)

iOS and iPadOS 0 < 26.5.2

macOS 0 < 26.5.2

Safari 0 < 26.5.2

References

https://support.apple.com/en-us/127594

https://support.apple.com/en-us/127595

https://support.apple.com/en-us/127685

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Jun 29, 2026
Vulnerability Reserved
May 1, 2026

CVE-2026-43727 Data

JSON