CVE-2026-43747

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

High · published July 27, 2026

CVSS v3.1
7.1
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. Parsing a maliciously crafted file may lead to an unexpected app termination.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00166 · 5.5th percentile
Published
2026-07-27T20:14Z
EPSS history
Timeline
  • 27 JUL 20:14Z
    An out-of-bounds read was addressed with improved bounds checking
    cvelistv5