CVE-2026-64699

Published: Jul 27, 2026Modified: Jul 28, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.

Affected (3)

Products: Apple: Macos

Apple

1 product

Macos

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Apple Macos	From 14.0 to 14.8.8
Apple Macos	From 15.0 to 15.7.8
Apple Macos	From 26.0 to 26.6

Related CWEs

CWE-457

Use of Uninitialized Variable

The code uses a variable that has not been initialized, leading to unpredictable or unintended results.

References (3)

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

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/128071

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/128072

Source: product-security@apple.com

Release NotesVendor Advisory

Timeline

No history available yet.