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HIGH · 7.8

CVE-2026-43783

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.

Vulnerability Description

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 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AppleMacos< 26.6

Related Weaknesses (CWE)

CWE-362

References

FAQ

What is CVE-2026-43783?

CVE-2026-43783 is a vulnerability with a CVSS score of 7.8 (HIGH). 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.

How severe is CVE-2026-43783?

CVE-2026-43783 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-43783?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.