macOS Tahoe 26.3: Permissions Bug-App Unauthorized Access
CVE-2026-20623 Published on February 11, 2026

A permissions issue was addressed by removing the vulnerable code. This issue is fixed in macOS Tahoe 26.3. An app may be able to access protected user data.

NVD

Vulnerability Analysis

CVE-2026-20623 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

What is an Information Disclosure Vulnerability?

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

CVE-2026-20623 has been classified to as an Information Disclosure vulnerability or weakness.


Products Associated with CVE-2026-20623

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Affected Versions

Apple macOS:

Exploit Probability

EPSS
0.01%
Percentile
2.50%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.