CVE-2026-20658

Analyzed Analyzed - Analysis Complete

Privilege Escalation via Package Validation Flaw in macOS Tahoe

Publication date: 2026-02-11

Last updated on: 2026-02-25

Assigner: Apple Inc.

Description

A package validation issue was addressed by blocking the vulnerable package. This issue is fixed in macOS Tahoe 26.3. An app may be able to gain root privileges.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-02-11

Last Modified

2026-02-25

Generated

2026-07-06

AI Q&A

2026-02-12

EPSS Evaluated

2026-07-05

NVD

CVE-2026-20658

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 26.0 (inc) to 26.3 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is related to a package validation issue in macOS Tahoe. Due to this issue, an application may be able to gain root privileges, which means it could execute actions with the highest level of system access.

Impact Analysis

If exploited, this vulnerability could allow an app to gain root privileges on your system. This means the app could potentially perform unauthorized actions, access sensitive data, or modify system settings, leading to a serious security risk.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, update your system to macOS Tahoe 26.3 or later, where the issue has been fixed by blocking the vulnerable package.

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