CVE-2026-39874

HIGH CVSS 3.1: 7.8 EPSS 0.11%
Updated Jul 29, 2026
Apple
Parameter Value
CVSS 7.8 (HIGH)
Affected Versions 14.0 — 26.6
Fixed In 14.8.8
Type CWE-276
Vendor Apple
Public PoC No

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to gain root privileges.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 3

Configuration From (including) Up to (excluding)
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
14.0 14.8.8
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
15.0 15.7.8
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
26.0 26.6