A type confusion issue was addressed with improved memory handling. (CVE-2026-64704)
CVE-2026-64704 is a critical type confusion vulnerability in macOS that was addressed by improved memory handling. The flaw could allow an application to cause unexpected system termination. Fixes have been released in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
AI Analysis
Technical Summary
This vulnerability involves a type confusion issue that was mitigated through improved memory handling in macOS. It can be triggered by an application to cause unexpected system termination, indicating a potential denial of service impact. The vulnerability is tracked as CWE-843 and has a CVSS 3.1 vector indicating network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. Patches are available in specific macOS versions: Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6.
Potential Impact
An attacker could exploit this vulnerability remotely without authentication or user interaction to cause unexpected system termination, resulting in denial of service and potentially full compromise of confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Fixes for this vulnerability have been released in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should apply these updates promptly to remediate the issue. Patch status is confirmed by the vendor advisory information embedded in the description.
A type confusion issue was addressed with improved memory handling. (CVE-2026-64704)
Description
CVE-2026-64704 is a critical type confusion vulnerability in macOS that was addressed by improved memory handling. The flaw could allow an application to cause unexpected system termination. Fixes have been released in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
CVSS v3.1
Score 9.8critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a type confusion issue that was mitigated through improved memory handling in macOS. It can be triggered by an application to cause unexpected system termination, indicating a potential denial of service impact. The vulnerability is tracked as CWE-843 and has a CVSS 3.1 vector indicating network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. Patches are available in specific macOS versions: Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6.
Potential Impact
An attacker could exploit this vulnerability remotely without authentication or user interaction to cause unexpected system termination, resulting in denial of service and potentially full compromise of confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Fixes for this vulnerability have been released in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should apply these updates promptly to remediate the issue. Patch status is confirmed by the vendor advisory information embedded in the description.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-m868-q9qr-wvmh
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64704"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6941f99c2644c7f86cc6e7
Added to database: 07/28/2026, 23:57:45 UTC
Last enriched: 07/29/2026, 11:10:10 UTC
Last updated: 09/12/2026, 22:01:35 UTC
Views: 107
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