CVE-2025-43331

MEDIUM

macOS < 26.0 - Unprotected User Data Exposure via Downgrade Issue

Title source: llm
STIX 2.1

Description

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to access protected user data.

References (2)

Core 2
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125110

Scores

CVSS v3 4.0
EPSS 0.0002
EPSS Percentile 5.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-862
Status published
Products (2)
Apple/macOS < 26
apple/macos < 26.0
Published Sep 15, 2025
Tracked Since Feb 18, 2026