CVE-2026-43770: An app may be able to access sensitive user data in Apple macOS
A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6. An app may be able to access sensitive user data.
AI Analysis
Technical Summary
CVE-2026-43770 is a race condition vulnerability in Apple macOS that could allow an application to access sensitive user data. The vulnerability was mitigated by adding extra validation checks. Apple fixed this issue in specific versions of macOS Sequoia, Sonoma, Tahoe, and tvOS. The CVSS 3.1 base score is 4.7, indicating medium severity, with attack vector local, high attack complexity, no privileges required, user interaction required, unchanged scope, and high confidentiality impact. No public exploits are known at this time.
Potential Impact
An attacker with local access and user interaction could exploit this race condition to gain unauthorized access to sensitive user data. The integrity and availability of the system are not impacted. The confidentiality impact is high, but exploitation complexity is high and requires user interaction.
Mitigation Recommendations
This vulnerability is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, and tvOS 26.6. Users and administrators should update to these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are specified.
CVE-2026-43770: An app may be able to access sensitive user data in Apple macOS
Description
A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6. An app may be able to access sensitive user data.
CVSS v3.1
Score 4.7medium
Affected software
Apple
macOS
Apple
tvOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43770 is a race condition vulnerability in Apple macOS that could allow an application to access sensitive user data. The vulnerability was mitigated by adding extra validation checks. Apple fixed this issue in specific versions of macOS Sequoia, Sonoma, Tahoe, and tvOS. The CVSS 3.1 base score is 4.7, indicating medium severity, with attack vector local, high attack complexity, no privileges required, user interaction required, unchanged scope, and high confidentiality impact. No public exploits are known at this time.
Potential Impact
An attacker with local access and user interaction could exploit this race condition to gain unauthorized access to sensitive user data. The integrity and availability of the system are not impacted. The confidentiality impact is high, but exploitation complexity is high and requires user interaction.
Mitigation Recommendations
This vulnerability is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, and tvOS 26.6. Users and administrators should update to these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.818Z
- State
- PUBLISHED
Threat ID: 6a67c1b89c2644c7f8cb0f57
Added to database: 07/27/2026, 20:38:16 UTC
Last enriched: 07/29/2026, 23:37:39 UTC
Last updated: 09/11/2026, 22:08:24 UTC
Views: 44
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