Use-After-Free Vulnerability in Apple Safari and Associated Operating Systems
CVE-2026-28947

8.8HIGH

Key Information:

Vendor

Apple

Vendor
CVE Published:
11 May 2026

What is CVE-2026-28947?

A vulnerability has been identified in Apple Safari that manifests as a use-after-free condition, potentially leading to unexpected crashes when processing specially crafted web content. This issue highlights critical areas of memory management within the browser and has been addressed in recent updates across multiple Apple operating systems, including iOS 26.5 and macOS Tahoe 26.5. Ensuring timely updates is crucial for users to maintain system integrity and safeguard against potential exploitation.

Affected Version(s)

iOS and iPadOS 0 < 26.5

macOS 0 < 26.5

Safari 0 < 26.5

References

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

.