CVE-2026-84518: A malicious website may be able to determine what apps a user has installed in Apple Safari
This issue was addressed through improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27. A malicious website may be able to determine what apps a user has installed.
AI Analysis
Technical Summary
This vulnerability allows a malicious website to detect the presence of installed applications on a user's device via Apple Safari. The issue was resolved by Apple through improved state management mechanisms. The fix is included starting with Safari 27 and corresponding OS versions iOS 27, iPadOS 27, and macOS Golden Gate 27. Versions prior to these releases are affected.
Potential Impact
A malicious website could exploit this vulnerability to identify which applications are installed on a user's device, potentially compromising user privacy by revealing sensitive information about the user's software environment.
Mitigation Recommendations
Users and administrators should update to Safari 27 or later, and the corresponding operating system versions iOS 27, iPadOS 27, or macOS Golden Gate 27, where the issue has been fixed through improved state management.
CVE-2026-84518: A malicious website may be able to determine what apps a user has installed in Apple Safari
Description
This issue was addressed through improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27. A malicious website may be able to determine what apps a user has installed.
CVSS v3.1
Score 4.3medium
Affected software
Apple
Safari
Apple
iOS and iPadOS
Apple
macOS
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability allows a malicious website to detect the presence of installed applications on a user's device via Apple Safari. The issue was resolved by Apple through improved state management mechanisms. The fix is included starting with Safari 27 and corresponding OS versions iOS 27, iPadOS 27, and macOS Golden Gate 27. Versions prior to these releases are affected.
Potential Impact
A malicious website could exploit this vulnerability to identify which applications are installed on a user's device, potentially compromising user privacy by revealing sensitive information about the user's software environment.
Mitigation Recommendations
Users and administrators should update to Safari 27 or later, and the corresponding operating system versions iOS 27, iPadOS 27, or macOS Golden Gate 27, where the issue has been fixed through improved state management.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.749Z
- State
- PUBLISHED
Threat ID: 6aa8610455bf5e2cf59d2842
Added to database: 09/14/2026, 21:03:00 UTC
Last enriched: 09/14/2026, 22:30:34 UTC
Last updated: 09/15/2026, 01:45:55 UTC
Views: 5
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