A memory corruption vulnerability was addressed with improved locking. (CVE-2026-64779)
CVE-2026-64779 is a memory corruption vulnerability in Apple operating systems that was addressed by improved locking mechanisms. The flaw could cause Safari to crash unexpectedly when processing maliciously crafted web content. The issue 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.
AI Analysis
Technical Summary
This vulnerability involves memory corruption due to insufficient locking, which could be triggered by processing malicious web content in Safari, leading to unexpected crashes. Apple has resolved the issue by improving locking mechanisms in the affected operating systems. The vulnerability affects multiple Apple platforms and is mitigated by updating to the specified fixed versions.
Potential Impact
An attacker could cause Safari to crash unexpectedly by delivering specially crafted web content. This results in denial of service but there is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official patches by updating to iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, or macOS Tahoe 26.6.2. These updates include the improved locking fixes that address the memory corruption vulnerability.
A memory corruption vulnerability was addressed with improved locking. (CVE-2026-64779)
Description
CVE-2026-64779 is a memory corruption vulnerability in Apple operating systems that was addressed by improved locking mechanisms. The flaw could cause Safari to crash unexpectedly when processing maliciously crafted web content. The issue 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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves memory corruption due to insufficient locking, which could be triggered by processing malicious web content in Safari, leading to unexpected crashes. Apple has resolved the issue by improving locking mechanisms in the affected operating systems. The vulnerability affects multiple Apple platforms and is mitigated by updating to the specified fixed versions.
Potential Impact
An attacker could cause Safari to crash unexpectedly by delivering specially crafted web content. This results in denial of service but there is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official patches by updating to iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, or macOS Tahoe 26.6.2. These updates include the improved locking fixes that address the memory corruption vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-p797-6vhh-hr72
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64779"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a83aa6abf8831d539e313fe
Added to database: 08/18/2026, 00:42:18 UTC
Last enriched: 08/18/2026, 01:13:03 UTC
Last updated: 08/18/2026, 02:41:00 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.