CVE-2026-64718

medium

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, Safari 27, iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, visionOS 27, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

References

https://support.apple.com/en-us/149041

https://support.apple.com/en-us/149039

https://support.apple.com/en-us/149038

https://support.apple.com/en-us/149035

https://support.apple.com/en-us/149034

https://support.apple.com/en-us/128073

https://support.apple.com/en-us/128070

https://support.apple.com/en-us/128069

https://support.apple.com/en-us/128068

https://support.apple.com/en-us/128067

https://support.apple.com/en-us/128066

Details

Source: Mitre, NVD

Published: 2026-07-27

Updated: 2026-09-14

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00139