CVE-2026-43713: Visiting a website may leak sensitive data in Apple Safari
A permissions issue was addressed with additional restrictions. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website may leak sensitive data.
AI Analysis
Technical Summary
This vulnerability involves a permissions issue in Apple Safari that could lead to leakage of sensitive data when a user visits a malicious website. Apple fixed this issue by implementing additional restrictions in Safari 26.5.2, as well as in iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, and watchOS 26.6. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and high confidentiality impact but no integrity or availability impact.
Potential Impact
An attacker could cause a user to visit a crafted website that exploits the permissions issue to leak sensitive data from the user's device. The confidentiality of data is impacted, but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available and users should update Safari to version 26.5.2 or later, as well as update their operating systems to the specified patched versions (iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6). No other mitigation steps are indicated by the vendor advisory.
CVE-2026-43713: Visiting a website may leak sensitive data in Apple Safari
Description
A permissions issue was addressed with additional restrictions. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website may leak sensitive data.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a permissions issue in Apple Safari that could lead to leakage of sensitive data when a user visits a malicious website. Apple fixed this issue by implementing additional restrictions in Safari 26.5.2, as well as in iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, and watchOS 26.6. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and high confidentiality impact but no integrity or availability impact.
Potential Impact
An attacker could cause a user to visit a crafted website that exploits the permissions issue to leak sensitive data from the user's device. The confidentiality of data is impacted, but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available and users should update Safari to version 26.5.2 or later, as well as update their operating systems to the specified patched versions (iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6). No other mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.644Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d327e9c7971972d060
Added to database: 06/29/2026, 20:21:39 UTC
Last enriched: 07/30/2026, 00:55:39 UTC
Last updated: 08/12/2026, 12:41:09 UTC
Views: 80
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.