PT-2026-91498 · Apple · Apple Macos

CVE-2026-43783

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Published

2026-07-27

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Updated

2026-09-24

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions macOS versions prior to Tahoe 26.6
Description A race condition exists where a malicious application can gain root privileges. This is achieved through a single XPC request to the DesktopServicesHelper component, allowing an attacker to perform an arbitrary chown (change ownership) of any path on the disk. A race condition is a situation where the system's behavior depends on the sequence or timing of uncontrollable events.
Recommendations Update to macOS Tahoe 26.6.

Fix

DoS

LPE

Race Condition

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Weakness Enumeration

Related Identifiers

CVE-2026-43783

Affected Products

Apple Macos