CVE-2026-64736

high

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.

References

https://support.apple.com/en-us/149043

https://support.apple.com/en-us/149038

https://support.apple.com/en-us/149037

https://support.apple.com/en-us/149036

https://support.apple.com/en-us/148282

https://support.apple.com/en-us/148281

Details

Source: Mitre, NVD

Published: 2026-09-14

Updated: 2026-09-14

Risk Information

CVSS v2

Base Score: 7.8

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

Severity: High

CVSS v3

Base Score: 7.8

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

Severity: High