CVE-2026-28925
Received Received - Intake
Buffer Overflow in macOS with Kernel Memory Write

Publication date: 2026-05-11

Last updated on: 2026-05-11

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, macOS Tahoe 26.5. An app may be able to cause unexpected system termination or write kernel memory.
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Meta Information
Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-06-21
AI Q&A
2026-05-12
EPSS Evaluated
2026-06-20
NVD
CVE-2026-28925
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
apple macos_sequoia 15.7.7
apple macos_sonoma 14.8.7
apple macos_tahoe 26.5
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 vulnerability is a buffer overflow issue that was addressed by improving bounds checking in certain versions of macOS. A buffer overflow occurs when a program writes more data to a buffer than it can hold, which can lead to unexpected behavior.

In this case, the vulnerability could allow an application to cause unexpected system termination or to write to kernel memory, which is a critical part of the operating system.

Impact Analysis

This vulnerability can impact you by allowing an application to cause your system to unexpectedly terminate, which could result in data loss or disruption of service.

More seriously, it could allow an application to write to kernel memory, potentially leading to privilege escalation, system instability, or unauthorized control over the system.

Mitigation Strategies

The vulnerability is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. Immediate mitigation steps include updating your macOS system to one of these versions or later to ensure the buffer overflow issue is resolved.

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