CVE-2026-28817

HIGHCVSS 8.1/10EPSS 0.16%

Last modified

CVE-2026-28817 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A race condition was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

A race condition was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A sandboxed process may be able to circumvent sandbox restrictions.

Metrics

CVSS 3.1
8.1/10

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

EPSS Probability
0.16%

5.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleMacos>= 14.0, < 14.8.5
AppleMacos>= 15.0, < 15.7.5
AppleMacos>= 26.0, < 26.4

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-28817?
A race condition was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A sandboxed process may be able to circumvent sandbox restrictions.
How severe is CVE-2026-28817?
CVE-2026-28817 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2026-28817?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-28817?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST