CVE-2026-28896

Undergoing Analysis Undergoing Analysis - In Progress

Memory Corruption in macOS Leading to System Crash

Publication date: 2026-07-27

Last updated on: 2026-07-29

Assigner: Apple Inc.

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An attacker may be able to cause unexpected system termination or read kernel memory.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-27

Last Modified

2026-07-29

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-28896

EUVD

EUVD-2026-49541

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 14.0 (inc) to 14.8.8 (exc)
apple	macos	From 15.0 (inc) to 15.7.8 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

Executive Summary

This vulnerability involves a memory handling issue in macOS Sequoia and macOS Sonoma. An attacker could exploit this to cause unexpected system crashes or read sensitive kernel memory, potentially exposing confidential data.

Detection Guidance

Detection of this vulnerability requires checking if your macOS system is running a vulnerable version. Update to macOS Sequoia 15.7.8 or macOS Sonoma 14.8.8 or later to address the issue. No specific commands are provided for detection beyond verifying the OS version.

Impact Analysis

If exploited, this flaw may lead to system instability or unauthorized access to kernel memory. This could result in data leaks, crashes, or compromised system integrity on affected macOS devices.

Compliance Impact

This vulnerability could lead to unauthorized data access or breaches, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations must patch systems to maintain compliance.

Mitigation Strategies

Update to macOS Sequoia 15.7.8 or macOS Sonoma 14.8.8 to address the issue. Ensure automatic updates are enabled to receive critical security patches promptly.

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