CVE-2026-64705
Received Received - Intake

Buffer Overflow in macOS Sequoia and Sonoma

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Apple Inc.

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.

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Meta Information

Published
2026-08-25
Last Modified
2026-08-25
Generated
2026-08-26
AI Q&A
2026-08-25
EPSS Evaluated
N/A
NVD
CVE-2026-64705
EUVD
EUVD-2026-65741

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
apple macos_sequoia to 15.7.7 (inc)
apple macos_sonoma to 14.8.7 (inc)
apple macos_sequoia 15.7.7
apple macos_sonoma 14.8.7

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a buffer overflow vulnerability caused by insufficient bounds checking. An application could exploit this to write data beyond the intended memory area, potentially corrupting kernel memory or causing the system to terminate unexpectedly.

Detection Guidance

Detection of CVE-2026-64705 requires checking the macOS version on your system. The vulnerability affects macOS Sonoma 14.8.7 and earlier. Use the command 'sw_vers' in Terminal to verify your macOS version. If your system is running macOS Sonoma 14.8.7 or below, it may be vulnerable.

Impact Analysis

An attacker could exploit this to crash your system or gain elevated privileges by writing malicious data to kernel memory. This could lead to data loss, unauthorized access, or denial of service on affected devices running macOS Sequoia 15.7.6 or earlier and macOS Sonoma 14.8.6 or earlier.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with standards like GDPR or HIPAA. The vulnerability involves a buffer overflow in macOS Sonoma 14.8.7, which could allow an app to cause system termination or write to kernel memory. Without explicit details on data exposure or processing, its compliance impact remains unclear.

Mitigation Strategies

Update macOS to Sequoia 15.7.7 or Sonoma 14.8.7 or later to address the buffer overflow issue.

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