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Vulnerability record · CVE-2026-20658 · published 11 February 2026

CVE-2026-20658: Apple macos vulnerability

Apple · Macos

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.

7.8 CVSS 3.1 High EPSS 0.13% · top 97.8%
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/en-us/126348 Release NotesVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-20658), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.