macOS Root Priv Escalation via Permission Bypass (fixed 15.7.7, 14.8.7, 26.4)
CVE-2026-28840 Published on May 11, 2026
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.4. An app may be able to gain root privileges.
Vulnerability Analysis
CVE-2026-28840 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Improper Privilege Management
The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Products Associated with CVE-2026-28840
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Affected Versions
Apple macOS:- Before 14.8.7 is affected.
- Before 15.7.7 is affected.
- Before 26.4 is affected.