Use After Free Vulnerability in Apple Operating Systems
CVE-2026-43799

Currently unrated

Key Information:

Vendor: Apple
Status: iOS And iPad OS; Mac OS; TV OS; Visionos
Vendor: CVE Published:; 27 July 2026

What is CVE-2026-43799?

A use after free vulnerability was identified in various Apple operating systems, potentially allowing unauthorized applications to exploit memory management flaws. This could lead to unexpected system terminations, risking user data and overall device stability. The issue has been addressed in the latest versions of iOS, iPadOS, macOS, tvOS, visionOS, and watchOS, demonstrating Apple's commitment to enhancing user security and system reliability.

Affected Version(s)

iOS and iPadOS 0 < 26.6

macOS 0 < 14.8.8

macOS 0 < 15.7.8

References

https://support.apple.com/en-us/128066

https://support.apple.com/en-us/128067

https://support.apple.com/en-us/128068

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Jul 27, 2026
Vulnerability Reserved
May 1, 2026

CVE-2026-43799 Data

JSON