CVE-2026-28827

NetFSFramework: An app may be able to break out of its sandbox

CVE-2026-28827 is fixed in 3 products on 1 platform, first by Sequoia 15.7.5, released March 24, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent

CVSS

9.3

CRITICAL

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0029

21st percentile

A parsing issue in the handling of directory paths was addressed with improved path validation.

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Sequoia	15.7.5	Sequoia 15.7.5	Mar 24, 2026
Sonoma	14.8.5	Sonoma 14.8.5	Mar 24, 2026
Tahoe	26.4	Tahoe 26.4	Mar 24, 2026

Details

Published
March 24, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vendor advisory
https://support.apple.com/en-us/126794

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