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:
Percentile:
Meta Information
Published
2026-02-11
Last Modified
2026-02-25
Generated
2026-06-16
AI Q&A
2026-02-12
EPSS Evaluated
2026-06-14
NVD
CVE-2026-20658
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apple macos From 26.0 (inc) to 26.3 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-20658. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart