SAFARI USE-AFTER-FREE CRASH VULN FIXED IN 26.6
CVE-2026-64783 Published on July 27, 2026

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

NVD

Vulnerability Analysis

CVE-2026-64783 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-64783 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2026-64783

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Apple iOS
 
Apple iPadOS
 
Apple macOS
 
Apple watchOS
 
Apple visionOS
 
Apple Safari
 
Apple Ios And Ipados
 

Affected Versions

Apple Safari: Apple iOS and iPadOS: Apple macOS: Apple visionOS: Apple watchOS: