CVE-2026-20658

Security: An app may be able to gain root privileges

CVE-2026-20658 is fixed in Tahoe on 1 platform by Tahoe 26.3 (version 26.3), released February 11, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

HIGH

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0015

4th percentile

A package validation issue was addressed by blocking the vulnerable package.

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Tahoe	26.3	Tahoe 26.3	Feb 11, 2026

Details

Published
February 11, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor advisory
https://support.apple.com/en-us/126348

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