The issue was addressed with improved checks. (CVE-2026-64778)
CVE-2026-64778 is a medium severity vulnerability affecting iOS, iPadOS, and macOS Tahoe. The issue allows sensitive data leakage when a user visits a maliciously crafted website. The vulnerability has been addressed with improved checks in iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and macOS Tahoe 26.6.2.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-64778) involves a flaw that may cause sensitive data to be leaked upon visiting a maliciously crafted website. The root cause was addressed by implementing improved validation checks. The issue affects multiple Apple operating systems, including iOS, iPadOS, and macOS Tahoe. 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.
Potential Impact
Successful exploitation of this vulnerability could result in the disclosure of sensitive information to an attacker without requiring privileges or user interaction beyond visiting a malicious website. The confidentiality impact is high, while integrity and availability are not affected.
Mitigation Recommendations
A fix is available and included 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 apply these updates to remediate the vulnerability.
The issue was addressed with improved checks. (CVE-2026-64778)
Description
CVE-2026-64778 is a medium severity vulnerability affecting iOS, iPadOS, and macOS Tahoe. The issue allows sensitive data leakage when a user visits a maliciously crafted website. The vulnerability has been addressed with improved checks in iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and macOS Tahoe 26.6.2.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-64778) involves a flaw that may cause sensitive data to be leaked upon visiting a maliciously crafted website. The root cause was addressed by implementing improved validation checks. The issue affects multiple Apple operating systems, including iOS, iPadOS, and macOS Tahoe. 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.
Potential Impact
Successful exploitation of this vulnerability could result in the disclosure of sensitive information to an attacker without requiring privileges or user interaction beyond visiting a malicious website. The confidentiality impact is high, while integrity and availability are not affected.
Mitigation Recommendations
A fix is available and included 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 apply these updates to remediate the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-p6cw-hc3p-cxhh
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64778"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa8a1d455bf5e2cf5f3e99d
Added to database: 09/15/2026, 01:39:32 UTC
Last enriched: 09/15/2026, 02:04:29 UTC
Last updated: 09/15/2026, 10:01:33 UTC
Views: 7
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.