Memory Handling Vulnerability in Safari and Apple Products
CVE-2026-43740

Currently unrated

Key Information:

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

What is CVE-2026-43740?

A vulnerability has been identified in Safari and related Apple products that impacts memory handling. This vulnerability can be exploited through maliciously crafted web content, potentially leading to the disclosure of sensitive process memory. Apple has released updates addressing this issue in versions 26.5.2 for Safari, iOS, iPadOS, and macOS Tahoe, ensuring better protection against such risks.

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-2026-43740 Data

JSON