Memory Handling Flaw in Apple Operating Systems
CVE-2026-43703

Currently unrated

Key Information:

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

What is CVE-2026-43703?

A memory handling flaw in Apple's iOS, iPadOS, and macOS products may allow maliciously crafted web content to trigger unexpected process crashes. This vulnerability has been addressed with improvements to memory management and is patched in versions 26.5.2.

Affected Version(s)

iOS and iPadOS 0 < 26.5.2

macOS 0 < 26.5.2

References

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

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

Download the Critical Vulnerability Management Cheat Sheet

Timeline

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

CVE-2026-43703 Data

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