CVE-2025-43294

LOW

macOS < 26 - Unprotected User Data Exposure via Environment Variable Handling

Title source: llm
STIX 2.1

Description

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 26.1 and iPadOS 26.1, macOS Tahoe 26, tvOS 26.1, watchOS 26.1. An app may be able to access sensitive user data.

Scores

CVSS v3 3.3
EPSS 0.0002
EPSS Percentile 6.2%
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 (5)
Apple/iOS and iPadOS < 26.1
Apple/macOS < 26
apple/macos < 26.0
Apple/tvOS < 26.1
Apple/watchOS < 26.1
Published Sep 15, 2025
Tracked Since Feb 18, 2026