CVE-2026-43774

An out-of-bounds read was addressed with improved bounds checking

Medium · published July 27, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
5.5
In the wild
Unconfirmed
What it is

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to access sensitive user data.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00165 · 5.5th percentile
Published
2026-07-27T20:12Z
EPSS history
Timeline
  • 27 JUL 20:12Z
    An out-of-bounds read was addressed with improved bounds checking
    cvelistv5