Use-After-Free Vulnerability in Safari by Apple
CVE-2026-43746

6.5MEDIUM

Key Information:

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

What is CVE-2026-43746?

This vulnerability pertains to a use-after-free flaw that impacts memory management within the Safari browser. When a user interacts with specially crafted web content, it can trigger unexpected crashes in Safari. The exploit can potentially disrupt user experiences and compromise browser reliability. Apple has addressed this issue in the latest versions of Safari, iOS, iPadOS, and macOS Tahoe, enhancing security measures to prevent such risks in the future.

Affected Version(s)

iOS and iPadOS 0 < 26.5.2

macOS 0 < 26.5.2

Safari 0 < 26.5.2

References

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

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

https://support.apple.com/en-us/127685

CVSS V3.1

Score:

6.5

Severity:

MEDIUM

Confidentiality:

None

Integrity:

None

Availability:

None

Attack Vector:

Network

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

Required

Scope:

Unchanged

Download the Critical Vulnerability Management Cheat Sheet

Timeline

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

CVE-2026-43746 Data

JSON