CVE-2026-43750

A buffer overflow was addressed with improved bounds checking

Critical · published July 27, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
55.0
In the wild
Unconfirmed
What it is

A buffer overflow 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 execute arbitrary code out of its sandbox or with certain elevated privileges.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00766 · 55.0th percentile
Published
2026-07-27T20:13Z
EPSS history
Timeline
  • 27 JUL 20:13Z
    A buffer overflow was addressed with improved bounds checking
    cvelistv5