A use after free issue was addressed with improved memory management. (CVE-2026-43812)
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 Tahoe 26.6, tvOS 26.6, visionOS 26.6. An app may be able to cause unexpected system termination.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition (CWE-416) that could be exploited by an application to cause unexpected system termination. The issue affects multiple Apple operating systems and was resolved by improved memory management. The CVSS v3.1 vector indicates network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. The vulnerability is fixed in the specified OS versions.
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 compromise of system stability. The CVSS score indicates critical severity with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
This vulnerability has been fixed in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, and visionOS 26.6. Users and administrators should apply these official updates to remediate the issue.
A use after free issue was addressed with improved memory management. (CVE-2026-43812)
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 Tahoe 26.6, tvOS 26.6, visionOS 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 involves a use-after-free condition (CWE-416) that could be exploited by an application to cause unexpected system termination. The issue affects multiple Apple operating systems and was resolved by improved memory management. The CVSS v3.1 vector indicates network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. The vulnerability is fixed in the specified OS versions.
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 compromise of system stability. The CVSS score indicates critical severity with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
This vulnerability has been fixed in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, and visionOS 26.6. Users and administrators should apply these official updates to remediate the issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-2m53-35qc-87r8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43812"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6942009c2644c7f86ce06a
Added to database: 07/28/2026, 23:57:52 UTC
Last enriched: 07/29/2026, 11:07:29 UTC
Last updated: 09/11/2026, 19:31:55 UTC
Views: 132
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