CVE-2026-64772

critical

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.

References

https://support.apple.com/en-us/128071

https://support.apple.com/en-us/128070

https://support.apple.com/en-us/128069

https://support.apple.com/en-us/128067

https://support.apple.com/en-us/128066

Details

Source: Mitre, NVD

Published: 2026-07-27

Updated: 2026-07-27

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical