A memory corruption issue was addressed with improved memory handling. (CVE-2026-43794)
CVE-2026-43794 is a high-severity memory corruption vulnerability fixed by improved memory handling in multiple Apple operating systems and Safari. The flaw could be triggered by processing maliciously crafted web content, potentially leading to memory corruption with high impact on confidentiality, integrity, and availability. Fixed versions include Safari 26.6.1, iOS 18.7.10 and 26.6.1, iPadOS 18.7.10 and 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
AI Analysis
Technical Summary
CVE-2026-43794 is a memory corruption vulnerability (CWE-119) addressed through improved memory handling. It affects multiple Apple platforms and Safari browser versions prior to the fixed releases. Exploitation involves processing maliciously crafted web content, which may lead to memory corruption with potential high impact on confidentiality, integrity, and availability. The vulnerability has a CVSS v3.1 base score of 8.8, indicating high severity. No known exploits in the wild have been reported. The issue is resolved in Safari 26.6.1, iOS 18.7.10 and 26.6.1, iPadOS 18.7.10 and 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
Potential Impact
Successful exploitation of this vulnerability may lead to memory corruption, which can result in unauthorized disclosure of information, modification of data, or denial of service. The CVSS score of 8.8 reflects a high impact on confidentiality, integrity, and availability. No active exploitation has been reported.
Mitigation Recommendations
Apply the official patches provided by Apple by upgrading to Safari 26.6.1, iOS 18.7.10 or 26.6.1, iPadOS 18.7.10 or 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, or watchOS 27. These updates include improved memory handling that resolves the vulnerability. No additional mitigation is required if these versions are installed.
A memory corruption issue was addressed with improved memory handling. (CVE-2026-43794)
Description
CVE-2026-43794 is a high-severity memory corruption vulnerability fixed by improved memory handling in multiple Apple operating systems and Safari. The flaw could be triggered by processing maliciously crafted web content, potentially leading to memory corruption with high impact on confidentiality, integrity, and availability. Fixed versions include Safari 26.6.1, iOS 18.7.10 and 26.6.1, iPadOS 18.7.10 and 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43794 is a memory corruption vulnerability (CWE-119) addressed through improved memory handling. It affects multiple Apple platforms and Safari browser versions prior to the fixed releases. Exploitation involves processing maliciously crafted web content, which may lead to memory corruption with potential high impact on confidentiality, integrity, and availability. The vulnerability has a CVSS v3.1 base score of 8.8, indicating high severity. No known exploits in the wild have been reported. The issue is resolved in Safari 26.6.1, iOS 18.7.10 and 26.6.1, iPadOS 18.7.10 and 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
Potential Impact
Successful exploitation of this vulnerability may lead to memory corruption, which can result in unauthorized disclosure of information, modification of data, or denial of service. The CVSS score of 8.8 reflects a high impact on confidentiality, integrity, and availability. No active exploitation has been reported.
Mitigation Recommendations
Apply the official patches provided by Apple by upgrading to Safari 26.6.1, iOS 18.7.10 or 26.6.1, iPadOS 18.7.10 or 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, or watchOS 27. These updates include improved memory handling that resolves the vulnerability. No additional mitigation is required if these versions are installed.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-gmc7-3cj9-5m78
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43794"]
Threat ID: 6a83aa70bf8831d539e319f7
Added to database: 08/18/2026, 00:42:24 UTC
Last enriched: 09/19/2026, 22:16:06 UTC
Last updated: 10/02/2026, 14:46:07 UTC
Views: 53
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