CVE-2026-43721

Modified Modified - Updated After Analysis

Clipboard Data Hijacking in Safari and iOS

Publication date: 2026-06-29

Last updated on: 2026-06-30

Assigner: Apple Inc.

Description

This issue was addressed through improved state management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may be able to silently hijack clipboard data.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-29

Last Modified

2026-06-30

Generated

2026-07-20

AI Q&A

2026-06-29

EPSS Evaluated

2026-07-19

NVD

CVE-2026-43721

Affected Vendors & Products

Vendor	Product	Version / Range
apple	safari	to 26.5.2 (exc)
apple	ipados	to 26.5.2 (exc)
apple	iphone_os	to 26.5.2 (exc)
apple	macos	From 26.0 (inc) to 26.5.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-732	The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Attack-Flow Graph

Executive Summary

This vulnerability involves a security issue where a malicious website can silently hijack clipboard data from a user's device. The problem was related to improper state management in the affected software.

It has been addressed and fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2 through improved state management.

Impact Analysis

A malicious website exploiting this vulnerability could silently access and hijack clipboard data without the user's knowledge or consent.

This could lead to unauthorized disclosure of sensitive information that the user has copied to their clipboard.

Mitigation Strategies

To mitigate this vulnerability, update your Apple Safari, iOS, iPadOS, or macOS Tahoe systems to version 26.5.2 or later, where the issue has been fixed through improved state management.

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