Buffer Overflow in Apple Products Affecting iOS, iPadOS, and macOS
CVE-2026-84627

Currently unrated

Key Information:

Vendor: Apple
Status: iOS And iPad OS; Mac OS; Visionos
Vendor: CVE Published:; 26 October 2026

What is CVE-2026-84627?

A buffer overflow vulnerability was identified in several Apple operating systems, leading to potential heap corruption when processing specially crafted images. The vulnerability was addressed through improved bounds checking in the affected versions, enhancing the overall security of iOS, iPadOS, macOS, and visionOS devices.

Affected Version(s)

iOS and iPadOS 0 < 26.7.2

iOS and iPadOS 0 < 27

macOS 0 < 15.8

References

https://support.apple.com/en-us/149034

https://support.apple.com/en-us/149035

https://support.apple.com/en-us/149038

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Oct 26, 2026
Vulnerability Reserved
Sep 1, 2026

CVE-2026-84627 Data

JSON