CVE-2026-28911

Memory corruption vulnerability allowing malicious applications to corrupt system process memory

Published Jul 27, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to corrupt memory of a system process.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Memory corruption vulnerability allowing malicious applications to corrupt system process memory
Type Values Removed Values Added
Title Memory Corruption Vulnerability in macOS
Weaknesses CWE-787
Type Values Removed Values Added
Title Memory Corruption Vulnerability in macOS
Weaknesses CWE-787
Type Values Removed Values Added
Weaknesses CWE-119
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to corrupt memory of a system process.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Jul 28, 2026, 3:52 PM
Reserved
Mar 3, 2026, 4:36 PM
Status
Analyzed
Published
Jul 27, 2026, 9:16 PM
Modified
Oct 24, 2026, 1:10 PM