Out-of-bounds write in macOS - CVE-2026-64772

 

Out-of-bounds write in macOS - CVE-2026-64772

Published: August 17, 2026


Vulnerability identifier: #VU143750
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64772
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds write in Model I/O. A remote attacker can trick the victim into opening a specially crafted file and cause unexpected application termination or heap corruption.


Affected software

macOS
visionOS
tvOS
Apple iOS
iPadOS

How to mitigate CVE-2026-64772

Install update from vendor's website.

macOS - addressed in versions 26.6 25G72, 15.7.8 24G824
visionOS - update to 26.6
tvOS - update to 26.6 23L773
Apple iOS - update to 26.6 23G71
iPadOS - update to 26.6 23G71

External References

Related Security Bulletins