CVE-2026-43747

HIGH

Apple macOS - Out-of-Bounds Access

Title source: rule
STIX 2.1

Description

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.

Scores

CVSS v3 7.1
EPSS 0.0012
EPSS Percentile 2.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-125
Status published
Products (4)
Apple/macOS < 14.8.8
Apple/macOS < 15.7.8
Apple/macOS < 26.6
apple/macos 14.0 - 14.8.8
Published Jul 27, 2026
Tracked Since Jul 28, 2026