CVE-2026-43783: Race Condition
Published Sep 14, 2026
·Updated
A race condition was addressed with improved locking. This issue is fixed in macOS Tahoe 26.6. A malicious app may be able to gain root privileges.
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
macOSto a version that resolves this vulnerability.Fixed in 26.6
Event History
Sep 14, 2026
CVE Published
via MITRE·08:50 PM
Data Sourced
via MITRE·08:50 PM
DescriptionWeakness
Frequently Asked Questions
1
What does an attacker need to exploit this issue?
The attacker would need to run a malicious application on the affected Mac. Successful exploitation may allow that application to gain root privileges.
2
Which systems have a documented fix?
Apple lists macOS Tahoe 26.6 as containing the fix for this race condition.