CVE-2026-28891

low-risk

Published 2026-03-25

A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.

Do I need to act?

0.01% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.1/10 High

LOCAL / HIGH complexity

Affected Products (1)

Macos

Affected Vendors

Apple

References (3)

Release Notes https://support.apple.com/en-us/126794

Release Notes https://support.apple.com/en-us/126795

Release Notes https://support.apple.com/en-us/126796

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low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal