CVE-2026-28910

LOW

macOS < 26.4 - Unauthorized File Access via Improper Permissions

Title source: llm

Description

This issue was addressed with improved permissions checking. This issue is fixed in macOS Tahoe 26.4. A malicious app may be able to access arbitrary files.

References (1)

Core 1

Core References

https://support.apple.com/en-us/126794

Scores

CVSS v3 3.3

EPSS 0.0001

EPSS Percentile 1.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-284

Status published

Products (2)

Apple/macOS < 26.4

apple/macos 26.0 - 26.4

Published May 11, 2026

Tracked Since May 12, 2026