CVE-2026-64783

HighCVSS 8.8/10Last modified Jul 28, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
Apple	Safari	< 26.6
Apple	iOS and iPadOS	< 26.6
Apple	macOS	< 26.6
Apple	visionOS	< 26.6
Apple	watchOS	< 26.6

References

https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
https://support.apple.com/en-us/128068Release Notes, Vendor Advisory
https://support.apple.com/en-us/128070Release Notes, Vendor Advisory
https://support.apple.com/en-us/128073Release Notes, Vendor Advisory

Timeline

Published: Jul 27, 2026
Last modified: Jul 28, 2026
NVD status: Analyzed

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