CVE-2026-43783: high-severity vulnerability in Apple macOS
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
43Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.8epss 0.1%
from disclosure to weaponsame day
Published on NVDSep 14
1st PoCAug 13
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Apple · macOSpublic PoCs found — 1
githubgithub.com/andrd3v/CVE-2026-43783★ 23⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Apple macOS
In the same product, most dangerous first.
References
https://support.apple.com/en-us/128067