A memory corruption issue was addressed with improved memory handling. (CVE-2026-43711)
CVE-2026-43711 is a high-severity memory corruption vulnerability affecting multiple Apple operating systems. The issue arises from improper memory handling when processing maliciously crafted video files, which may cause unexpected application termination. This vulnerability has been addressed with improved memory handling 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.
AI Analysis
Technical Summary
CVE-2026-43711 is a memory corruption vulnerability (CWE-119) fixed by Apple through improved memory handling. It affects several Apple operating systems and can be triggered by processing a maliciously crafted video file, potentially leading to unexpected app termination. The vulnerability has a CVSS 3.1 score of 7.8, indicating high impact on confidentiality, integrity, and availability. The issue is resolved in specific versions of iOS, iPadOS, macOS, tvOS, visionOS, and watchOS as listed.
Potential Impact
Successful exploitation of this vulnerability may cause unexpected application termination, which can lead to denial of service. The CVSS score indicates high impact on confidentiality, integrity, and availability, but no known exploits are reported in the wild at this time.
Mitigation Recommendations
This 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.
A memory corruption issue was addressed with improved memory handling. (CVE-2026-43711)
Description
CVE-2026-43711 is a high-severity memory corruption vulnerability affecting multiple Apple operating systems. The issue arises from improper memory handling when processing maliciously crafted video files, which may cause unexpected application termination. This vulnerability has been addressed with improved memory handling 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.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43711 is a memory corruption vulnerability (CWE-119) fixed by Apple through improved memory handling. It affects several Apple operating systems and can be triggered by processing a maliciously crafted video file, potentially leading to unexpected app termination. The vulnerability has a CVSS 3.1 score of 7.8, indicating high impact on confidentiality, integrity, and availability. The issue is resolved in specific versions of iOS, iPadOS, macOS, tvOS, visionOS, and watchOS as listed.
Potential Impact
Successful exploitation of this vulnerability may cause unexpected application termination, which can lead to denial of service. The CVSS score indicates high impact on confidentiality, integrity, and availability, but no known exploits are reported in the wild at this time.
Mitigation Recommendations
This 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.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-5ch7-2946-98hg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43711"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a83aa7abf8831d539e32743
Added to database: 08/18/2026, 00:42:34 UTC
Last enriched: 08/18/2026, 00:58:15 UTC
Last updated: 08/18/2026, 01:52:47 UTC
Views: 4
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