CVE-2026-64778: Visiting a maliciously crafted website may leak sensitive data in Apple iOS and iPadOS
CVE-2026-64778 is a vulnerability in Apple iOS and iPadOS where visiting a maliciously crafted website may lead to leakage of sensitive data. The issue has been addressed with improved checks and fixed in specific versions of iOS, iPadOS, and macOS Tahoe. No CVSS score is provided for this vulnerability.
AI Analysis
Technical Summary
This vulnerability allows sensitive data leakage when a user visits a maliciously crafted website on Apple iOS and iPadOS devices. The issue was resolved by Apple through improved validation checks. The fix is included in iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and macOS Tahoe 26.6.2. No further technical details or exploitation methods are provided.
Potential Impact
Sensitive data may be leaked to an attacker if a user visits a maliciously crafted website on affected Apple devices. The exact nature or scope of the data leakage is not detailed. There are no known exploits in the wild at this time.
Mitigation Recommendations
The vulnerability is fixed in iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and macOS Tahoe 26.6.2. Users and administrators should update to these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory information.
CVE-2026-64778: Visiting a maliciously crafted website may leak sensitive data in Apple iOS and iPadOS
Description
CVE-2026-64778 is a vulnerability in Apple iOS and iPadOS where visiting a maliciously crafted website may lead to leakage of sensitive data. The issue has been addressed with improved checks and fixed in specific versions of iOS, iPadOS, and macOS Tahoe. No CVSS score is provided for this vulnerability.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability allows sensitive data leakage when a user visits a maliciously crafted website on Apple iOS and iPadOS devices. The issue was resolved by Apple through improved validation checks. The fix is included in iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and macOS Tahoe 26.6.2. No further technical details or exploitation methods are provided.
Potential Impact
Sensitive data may be leaked to an attacker if a user visits a maliciously crafted website on affected Apple devices. The exact nature or scope of the data leakage is not detailed. There are no known exploits in the wild at this time.
Mitigation Recommendations
The vulnerability is fixed in iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and macOS Tahoe 26.6.2. Users and administrators should update to these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:10:53.025Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a838032bf8831d5399e4780
Added to database: 08/17/2026, 21:42:10 UTC
Last enriched: 08/17/2026, 22:16:24 UTC
Last updated: 08/18/2026, 01:41:07 UTC
Views: 3
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.