CVE-2026-43760: An app may be able to access user-sensitive data in Apple macOS
CVE-2026-43760 is a high-severity vulnerability in Apple macOS that allowed an app to access user-sensitive data due to insufficient access restrictions. The issue was addressed by Apple with improved access controls and fixed in macOS Sonoma 14.8.8 and macOS Tahoe 26.6. The vulnerability has a CVSS score of 8.6, indicating a significant impact on confidentiality, integrity, and availability.
AI Analysis
Technical Summary
This vulnerability involves an access control weakness in Apple macOS that could permit an application to access sensitive user data without proper authorization. Apple resolved the issue by enhancing access restrictions in the affected macOS versions. The flaw is identified as CWE-284 (Improper Access Control). It affects macOS versions prior to 14.8.8 and 26.6, with no known exploits in the wild at the time of publication.
Potential Impact
Successful exploitation could lead to unauthorized disclosure of sensitive user data, partial integrity loss, and partial availability impact. The CVSS vector indicates the vulnerability is remotely exploitable without privileges or user interaction, making it a significant risk if unpatched.
Mitigation Recommendations
A fix is available and included in macOS Sonoma 14.8.8 and macOS Tahoe 26.6. Users and administrators should update affected macOS installations to these versions or later to remediate the vulnerability. Patch status is confirmed by the vendor advisory information.
CVE-2026-43760: An app may be able to access user-sensitive data in Apple macOS
Description
CVE-2026-43760 is a high-severity vulnerability in Apple macOS that allowed an app to access user-sensitive data due to insufficient access restrictions. The issue was addressed by Apple with improved access controls and fixed in macOS Sonoma 14.8.8 and macOS Tahoe 26.6. The vulnerability has a CVSS score of 8.6, indicating a significant impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 8.6high
Affected software
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an access control weakness in Apple macOS that could permit an application to access sensitive user data without proper authorization. Apple resolved the issue by enhancing access restrictions in the affected macOS versions. The flaw is identified as CWE-284 (Improper Access Control). It affects macOS versions prior to 14.8.8 and 26.6, with no known exploits in the wild at the time of publication.
Potential Impact
Successful exploitation could lead to unauthorized disclosure of sensitive user data, partial integrity loss, and partial availability impact. The CVSS vector indicates the vulnerability is remotely exploitable without privileges or user interaction, making it a significant risk if unpatched.
Mitigation Recommendations
A fix is available and included in macOS Sonoma 14.8.8 and macOS Tahoe 26.6. Users and administrators should update affected macOS installations to these versions or later to remediate the vulnerability. Patch status is confirmed by the vendor advisory information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.816Z
- State
- PUBLISHED
Threat ID: 6a67c1b79c2644c7f8cb0ef2
Added to database: 07/27/2026, 20:38:15 UTC
Last enriched: 08/06/2026, 17:32:28 UTC
Last updated: 09/11/2026, 22:06:33 UTC
Views: 61
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