SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-28817

A race condition was addressed with improved state handling.

HIGH 8.1EPSS 0.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
0.16% probability · 6th percentile
CISA KEV
Not listed
Weakness
CWE-362
Affected
apple/macos
Source
product-security@apple.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.