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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-11

Last Modified

2026-05-11

Generated

2026-07-11

AI Q&A

2026-05-12

EPSS Evaluated

2026-07-10

NVD

CVE-2026-28925

Affected Vendors & Products

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

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

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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