CVE-2026-28858 PUBLISHED CVSS 9.800000190734863 CRITICAL

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

EPSS 0.05% · 15.1th percentile

Risk Scores

CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.05%
15.1th percentile

Affected Products

VendorProductVersions
AppleiOS and iPadOS0
appleiphone_os0
appleipados0

Timeline

References

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