Memory corruption in macOS - CVE-2026-64788
Published: August 18, 2026
Vulnerability identifier: #VU143962
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64788
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to memory corruption in IOGPUFamily when handling unspecified input. A remote attacker can trigger the vulnerable component to execute arbitrary code.
Affected software
macOS
iPadOS
Apple iOS
iPadOS
Apple iOS
How to mitigate CVE-2026-64788
Install update from vendor's website.
macOS - update to 26.6.2 25G83
iPadOS - update to 26.6.1 23G83
Apple iOS - update to 26.6.1 23G83
iPadOS - update to 26.6.1 23G83
Apple iOS - update to 26.6.1 23G83