CVE-2026-64757CWE-119

CVE-2026-64757

High · published July 28, 2026

CVSS v3.1

8.8

EPSS

Percentile

39.5

In the wild

Unconfirmed

What it is

A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, 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.

The record

Technical detail

CVSS v3.1: 8.8 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00468 · 39.5th percentile
Weakness: CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published: 2026-07-28T01:17Z

Affected products (6)

Product	Versions	Fixed in
apple/safari	< 26.6	26.6
apple/ipados	< 26.6	26.6
apple/iphone_os	< 26.6	26.6
apple/macos	≥ 26.0, < 26.6	26.6
apple/visionos	< 26.6	26.6
apple/watchos	< 26.6	26.6

References (6)

https://support.apple.com/en-us/128066 · [email protected]https://support.apple.com/en-us/128067 · [email protected]https://support.apple.com/en-us/128068 · [email protected]https://support.apple.com/en-us/128070 · [email protected]https://support.apple.com/en-us/128073 · [email protected]https://support.apple.com/en-us/148287 · [email protected]

EPSS history

Timeline

27 JUL 20:14Z
A memory corruption issue was addressed with improved state management
cvelistv5