CVE-2026-28976

HIGH

macOS < 26.5 - Unauthorized Root Privilege Escalation

Title source: llm
STIX 2.1

Description

An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0004
EPSS Percentile 13.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-200 CWE-269
Status published
Products (2)
Apple/macOS < 26.5
apple/macos 26.0 - 26.5
Published May 11, 2026
Tracked Since May 12, 2026