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.
Published: 2026-07-27
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 30 Jul 2026 01:30:00 +0000

Type Values Removed Values Added
Title Kernel Memory Disclosure via Improper Memory Initialization
Weaknesses CWE-200
CWE-221

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

Type Values Removed Values Added
Weaknesses CWE-457
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 03:15:00 +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 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.
References

Subscriptions

Apple Macos
cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-07-28T14:26:22.858Z

Reserved: 2026-07-20T18:09:01.158Z

Link: CVE-2026-64699

cve-icon Vulnrichment

Updated: 2026-07-28T14:26:13.491Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-30T01:15:05Z

Weaknesses
  • CWE-200

    Exposure of Sensitive Information to an Unauthorized Actor

  • CWE-221

    Information Loss or Omission

  • CWE-457

    Use of Uninitialized Variable