A use after free issue was addressed with improved memory management. (CVE-2026-64700)
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-64700) is a use-after-free issue classified under CWE-416. It allows an unprivileged application to trigger unexpected system termination due to improper memory management. The flaw affects several Apple operating systems and was remediated by improved memory management techniques in the specified fixed versions. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker with the ability to run an application on the affected systems could cause unexpected system termination, potentially leading to denial of service and disruption of normal device operation. The vulnerability impacts confidentiality, integrity, and availability at a high level according to the CVSS vector.
Mitigation Recommendations
The vulnerability is fixed in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6. Users and administrators should apply these official updates to remediate the issue. No additional mitigation steps are indicated.
A use after free issue was addressed with improved memory management. (CVE-2026-64700)
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-64700) is a use-after-free issue classified under CWE-416. It allows an unprivileged application to trigger unexpected system termination due to improper memory management. The flaw affects several Apple operating systems and was remediated by improved memory management techniques in the specified fixed versions. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker with the ability to run an application on the affected systems could cause unexpected system termination, potentially leading to denial of service and disruption of normal device operation. The vulnerability impacts confidentiality, integrity, and availability at a high level according to the CVSS vector.
Mitigation Recommendations
The vulnerability is fixed in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6. Users and administrators should apply these official updates to remediate the issue. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-m326-x84x-2rw2
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64700"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6941f99c2644c7f86cc6ed
Added to database: 07/28/2026, 23:57:45 UTC
Last enriched: 07/29/2026, 11:09:53 UTC
Last updated: 09/12/2026, 22:01:35 UTC
Views: 119
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