Memory Handling Flaw in Apple iOS and macOS Products
CVE-2026-28955

8.8HIGH

Key Information:

Vendor

Apple
Status
Safari
iOS And iPad OS
Mac OS
TV OS
Vendor
CVE Published:
11 May 2026

What is CVE-2026-28955?

A memory handling vulnerability has been identified in Apple's operating systems that could potentially lead to unexpected crashes when processing specially crafted web content. This flaw impacts multiple devices, including iPhones, iPads, Macs, and watches, emphasizing the importance of keeping software updated to the latest versions. Apple has addressed this issue in several updates, ensuring improved memory management and stability across affected platforms.

Affected Version(s)

iOS and iPadOS 0 < 18.7.9

iOS and iPadOS 0 < 26.5

macOS 0 < 26.5

References

https://support.apple.com/en-us/127110
https://support.apple.com/en-us/127111
https://support.apple.com/en-us/127115

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.