CVE-2026-64738CWE-284broken-access-control

CVE-2026-64738

Critical · published July 28, 2026

CVSS v3.1

9.8

EPSS

Percentile

45.8

In the wild

Unconfirmed

What it is

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.

The record

Technical detail

CVSS v3.1: 9.8 · CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00560 · 45.8th percentile
Weakness: CWE-284 · Improper Access Control
Published: 2026-07-28T01:17Z

Affected products (3)

Product	Versions	Fixed in
apple/macos	≥ 14.0, < 14.8.8	14.8.8
apple/macos	≥ 15.0, < 15.7.8	15.7.8
apple/macos	≥ 26.0, < 26.6	26.6

References (4)

https://support.apple.com/en-us/128067 · [email protected]https://support.apple.com/en-us/128071 · [email protected]https://support.apple.com/en-us/128072 · [email protected]https://support.apple.com/en-us/148287 · [email protected]

EPSS history

Timeline

27 JUL 20:12Z
A permissions issue was addressed with additional restrictions
cvelistv5