CVE-2026-43787: An attacker in a privileged network position may be able to leak sensitive user information in Apple macOS
CVE-2026-43787 is a logic issue in Apple macOS that could allow an attacker in a privileged network position to leak sensitive user information. The issue has been addressed with improved checks and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
This vulnerability involves a logic flaw in Apple macOS that may enable an attacker positioned with network privileges to leak sensitive user data. Apple fixed the issue by implementing improved validation checks. The fixes are included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker with privileged network access could potentially leak sensitive user information due to the logic issue. There is no indication of active exploitation in the wild or further impact details.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions contain the improved checks that resolve the vulnerability.
CVE-2026-43787: An attacker in a privileged network position may be able to leak sensitive user information in Apple macOS
Description
CVE-2026-43787 is a logic issue in Apple macOS that could allow an attacker in a privileged network position to leak sensitive user information. The issue has been addressed with improved checks and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a logic flaw in Apple macOS that may enable an attacker positioned with network privileges to leak sensitive user data. Apple fixed the issue by implementing improved validation checks. The fixes are included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker with privileged network access could potentially leak sensitive user information due to the logic issue. There is no indication of active exploitation in the wild or further impact details.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions contain the improved checks that resolve the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.819Z
- State
- PUBLISHED
Threat ID: 6aa860f555bf5e2cf59d23af
Added to database: 09/14/2026, 21:02:45 UTC
Last enriched: 09/14/2026, 22:24:34 UTC
Last updated: 09/15/2026, 03:09:28 UTC
Views: 4
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