Memory corruption in macOS - CVE-2026-43738
Published: August 17, 2026
Vulnerability identifier: #VU143793
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43738
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a boundary error in CoreUI. A remote attacker can trick the victim into opening a specially crafted file and gain access to sensitive information.
Affected software
macOS
How to mitigate CVE-2026-43738
Install update from vendor's website.
macOS - addressed in versions 15.7.8 24G824, 14.8.8 23J620