Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to disclose kernel memory.
Published: 2026-07-27
Score: 7.8 High
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

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

Type Values Removed Values Added
Title Kernel Memory Disclosure in macOS via Memory Corruption
Weaknesses CWE-119
CWE-250
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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

Tue, 28 Jul 2026 02:00:00 +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 corruption issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to disclose kernel memory.
References

Subscriptions

Apple Macos
cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-07-28T14:21:08.655Z

Reserved: 2026-04-07T19:58:20.174Z

Link: CVE-2026-39877

cve-icon Vulnrichment

Updated: 2026-07-28T14:20:57.181Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-28T14:15:06Z

Weaknesses