CVE-2026-28973

Received Received - Intake

Integer Overflow in Apple iOS Leading to Sandbox Escape

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, watchOS 26.6. A malicious app may be able to break out of its sandbox.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-28973

EUVD

EUVD-2026-49511

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is an integer overflow issue that was fixed in recent updates to Apple's operating systems. An integer overflow occurs when a program attempts to store a value larger than the maximum limit of an integer type, potentially leading to unexpected behavior. In this case, the overflow could allow a malicious app to escape its sandbox, which is a security mechanism that restricts the app's access to system resources and other apps.

Impact Analysis

If exploited, this vulnerability could allow a malicious app to break out of its sandbox. This means the app could access sensitive data or perform unauthorized actions on your device, potentially compromising your privacy and security.

Mitigation Strategies

Update affected Apple devices to the latest versions: iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, or watchOS 26.6 to address the integer overflow issue.

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