The issue was addressed with improved bounds checks. 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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Apple
  • Macos

No data.

No data.

References
Link Providers
https://support.apple.com/en-us/128067 cve-icon
https://support.apple.com/en-us/128071 cve-icon
https://support.apple.com/en-us/128072 cve-icon
History

Tue, 28 Jul 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 28 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Title Kernel Memory Disclosure via Improper Bounds Checks in macOS
Weaknesses CWE-125

Tue, 28 Jul 2026 03:45:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos

Mon, 27 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Description The issue was addressed with improved bounds checks. 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.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-07-27T20:14:57.773Z

Updated: 2026-07-28T15:52:25.405Z

Reserved: 2026-07-20T18:10:53.025Z

Link: CVE-2026-64776

cve-icon Vulnrichment

Updated: 2026-07-28T15:52:01.914Z

cve-icon NVD

No data.

cve-icon Redhat

No data.