CVE-2026-64747: A buffer overflow was addressed with improved size validation

Description

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to execute arbitrary code with kernel privileges.

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 9% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

MA

macOS · Apple

before 14.8.8; before 15.7.8; before 26.6 · source: vendor, NVD

IO

iOS · Apple

before 26.6 · source: NVD

IA

iOS and iPadOS · Apple

before 18.7.10; before 26.6 · source: vendor

TV

tvOS · Apple

before 26.6 · source: vendor, NVD

VI

visionOS · Apple

before 26.6 · source: vendor, NVD

WA

watchOS · Apple

before 26.6 · source: vendor, NVD