Memory corruption in macOS - CVE-2026-64788

 

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

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

External References

Related Security Bulletins