CVE-2026-64762

Received Received - Intake

Out-of-Bounds Read in macOS Leading to System Termination

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description

An out-of-bounds read was addressed with improved bounds checking. 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 cause unexpected system termination.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-27

Last Modified

2026-07-27

Generated

2026-07-28

AI Q&A

2026-07-28

EPSS Evaluated

N/A

NVD

CVE-2026-64762

EUVD

EUVD-2026-49480

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos_sequoia	15.7.8
apple	macos_sonoma	14.8.8
apple	macos_tahoe	26.6

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability where an application may access memory outside the intended buffer due to insufficient bounds checking. This could lead to unexpected system termination or crashes.

Detection Guidance

This vulnerability is specific to Apple macOS versions and requires checking system software versions. Use the command 'sw_vers' to check your macOS version. Compare it against the fixed versions: Sequoia 15.7.8, Sonoma 14.8.8, or Tahoe 26.6.

Impact Analysis

An attacker could exploit this to cause an application or system to crash unexpectedly. This may disrupt services or lead to denial-of-service conditions on affected macOS systems.

Mitigation Strategies

Update your macOS to the latest patched version immediately: Sequoia 15.7.8, Sonoma 14.8.8, or Tahoe 26.6. Enable automatic updates in System Settings > General > Software Update to prevent future vulnerabilities.

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