CVE-2026-43721: A malicious website may be able to silently hijack clipboard data in Apple Safari
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.
AI Analysis
Technical Summary
CVE-2026-43721 is a vulnerability in Apple Safari where a malicious website may silently hijack clipboard data. The issue was resolved by Apple through improved state management and fixed in Safari 26.5.2 and corresponding OS versions (iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2). No CVSS score is provided, and there are no known exploits in the wild at the time of publication.
Potential Impact
The vulnerability allows unauthorized websites to access clipboard data without user interaction or consent, potentially exposing sensitive information copied by the user. This could lead to privacy breaches or data leakage if exploited.
Mitigation Recommendations
A fix is available in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update affected Apple software to these versions or later to remediate the vulnerability.
CVE-2026-43721: A malicious website may be able to silently hijack clipboard data in Apple Safari
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43721 is a vulnerability in Apple Safari where a malicious website may silently hijack clipboard data. The issue was resolved by Apple through improved state management and fixed in Safari 26.5.2 and corresponding OS versions (iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2). No CVSS score is provided, and there are no known exploits in the wild at the time of publication.
Potential Impact
The vulnerability allows unauthorized websites to access clipboard data without user interaction or consent, potentially exposing sensitive information copied by the user. This could lead to privacy breaches or data leakage if exploited.
Mitigation Recommendations
A fix is available in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update affected Apple software to these versions or later to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.645Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d327e9c7971972d07e
Added to database: 06/29/2026, 20:21:39 UTC
Last enriched: 06/29/2026, 20:37:38 UTC
Last updated: 06/29/2026, 22:56:54 UTC
Views: 6
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