Use-After-Free Vulnerability in Safari and Apple Operating Systems
CVE-2026-43726

Currently unrated

Key Information:

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

What is CVE-2026-43726?

A use-after-free vulnerability has been detected that could be exploited through maliciously crafted web content in Safari and Apple operating systems. This flaw, dependent on memory mismanagement, can potentially lead to unexpected application crashes when certain conditions are met. The issue has been remediated in the latest updates to Safari, iOS, iPadOS, and macOS Tahoe, enhancing the security posture against such attacks.

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-2026-43726 Data

JSON