CVE-2026-20658
Privilege Escalation via Package Validation Flaw in macOS Tahoe
Publication date: 2026-02-11
Last updated on: 2026-02-25
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | macos | From 26.0 (inc) to 26.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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.