CVE-2026-43783

Privilege Escalation via Race Condition in macOS

Published Sep 14, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Privilege Escalation via Race Condition in macOS
Type Values Removed Values Added
Title Race Condition Enabling Root Privilege Escalation in macOS
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Race Condition Enabling Root Privilege Escalation in macOS
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Weaknesses CWE-362
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Sep 15, 2026, 3:56 AM
Reserved
May 1, 2026, 10:46 PM
Status
Analyzed
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 15, 2026, 7:24 PM