CVE-2026-20603

MEDIUM

macOS Tahoe <26.3 - Info Disclosure

Title source: llm
STIX 2.1

Description

This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.

References (1)

Core 1
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/126348

Scores

CVSS v3 4.4
EPSS 0.0002
EPSS Percentile 5.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (2)
apple/macos < 26.3
Apple/macOS < 26.3
Published Feb 11, 2026
Tracked Since Feb 18, 2026