CVE-2026-43690: A local user may be able to read kernel memory in Apple macOS
CVE-2026-43690 is a vulnerability in Apple macOS where a race condition could allow a local user to read kernel memory. The issue was addressed by improving locking mechanisms. Fixed versions include macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
This vulnerability involves a race condition in macOS that could permit a local user to read kernel memory, potentially exposing sensitive information. Apple fixed the issue by improving locking mechanisms to prevent the race condition. The vulnerability affects versions prior to macOS Sequoia 15.8, Tahoe 26.7, and Golden Gate 27.
Potential Impact
A local user could exploit this vulnerability to read kernel memory, which may lead to unauthorized disclosure of sensitive information stored in kernel space. There is no indication of remote exploitation or privilege escalation beyond local memory reading.
Mitigation Recommendations
Apple has released fixes in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users should update to these versions or later to remediate this vulnerability. No additional mitigation steps are indicated.
CVE-2026-43690: A local user may be able to read kernel memory in Apple macOS
Description
CVE-2026-43690 is a vulnerability in Apple macOS where a race condition could allow a local user to read kernel memory. The issue was addressed by improving locking mechanisms. Fixed versions include 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 race condition in macOS that could permit a local user to read kernel memory, potentially exposing sensitive information. Apple fixed the issue by improving locking mechanisms to prevent the race condition. The vulnerability affects versions prior to macOS Sequoia 15.8, Tahoe 26.7, and Golden Gate 27.
Potential Impact
A local user could exploit this vulnerability to read kernel memory, which may lead to unauthorized disclosure of sensitive information stored in kernel space. There is no indication of remote exploitation or privilege escalation beyond local memory reading.
Mitigation Recommendations
Apple has released fixes in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users should update to these versions or later to remediate this vulnerability. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.642Z
- State
- PUBLISHED
Threat ID: 6aa860f255bf5e2cf59d2204
Added to database: 09/14/2026, 21:02:42 UTC
Last enriched: 09/14/2026, 22:23:32 UTC
Last updated: 09/15/2026, 05:01:22 UTC
Views: 5
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