CVE-2026-28842
Received Received - Intake
Buffer Overflow in macOS Tahoe 26.4 Causes Memory Corruption

Publication date: 2026-03-25

Last updated on: 2026-03-26

Assigner: Apple Inc.

Description
The issue was addressed with improved bounds checks. This issue is fixed in macOS Tahoe 26.4. A buffer overflow may result in memory corruption and unexpected app termination.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-03-25
Last Modified
2026-03-26
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-28842
EUVD
EUVD-2026-15117
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apple macos From 26.0 (inc) to 26.4 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Mitigation Strategies

To mitigate this vulnerability, update your system to macOS Tahoe 26.4 or later, where the issue has been fixed with improved bounds checks.

Executive Summary

This vulnerability is a buffer overflow issue in macOS Tahoe that was addressed by improving bounds checks. A buffer overflow occurs when a program writes more data to a buffer than it can hold, which can lead to memory corruption and cause unexpected termination of applications.

Impact Analysis

The vulnerability can lead to memory corruption and unexpected termination of applications on affected systems. This could result in loss of data or disruption of normal operations.

Compliance Impact

I don't know

Detection Guidance

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-28842. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart