Memory corruption in macOS - CVE-2026-43702
Published: September 14, 2026
Vulnerability identifier: #VU149745
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43702
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in CoreMedia Video Toolbox. A local application can trick the victim into opening a specially crafted file and perform unexpected app termination or corrupt process memory.
Affected software
macOS
How to mitigate CVE-2026-43702
Install update from vendor's website.
macOS - addressed in versions 26.7 25G229, 15.8 24H23