CVE-2026-28819

An out-of-bounds write issue was addressed with improved bounds checking

Medium · published May 11, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
29.7
In the wild
Unconfirmed
What it is

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to execute arbitrary code with kernel privileges.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00369 · 29.7th percentile
Published
2026-05-11T20:08Z
EPSS history
Timeline
  • 11 MAY 20:08Z
    An out-of-bounds write issue was addressed with improved bounds checking
    cvelistv5