CVE-2026-64705

Kernel Buffer Overflow Causing System Crash or Kernel Memory Write

Published Aug 25, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.6. An app may be able to cause unexpected system termination or write kernel memory.

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 Kernel Buffer Overflow Causing System Crash or Kernel Memory Write
Type Values Removed Values Added
Title Kernel Buffer Overflow May Cause System Crash or Memory Write
Weaknesses CWE-119
Type Values Removed Values Added
Description A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7. An app may be able to cause unexpected system termination or write kernel memory. A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.6. An app may be able to cause unexpected system termination or write kernel memory.
References
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Weaknesses CWE-120
Metrics cvssV3_1

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

ssvc

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

Type Values Removed Values Added
Title Kernel Buffer Overflow May Cause System Crash or Memory Write
Weaknesses CWE-119
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7. An app may be able to cause unexpected system termination or write kernel memory.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Sep 14, 2026, 8:49 PM
Reserved
Jul 20, 2026, 6:09 PM
Status
Modified
Published
Aug 25, 2026, 8:17 PM
Modified
Sep 14, 2026, 9:17 PM