CVE-2026-64763

An out-of-bounds write issue was addressed by removing the vulnerable code. This issue is fixed in 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. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

Published 27 Jul 2026, 21:17 UTC Last modified 28 Jul 2026, 20:35 UTC

7.8

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

Attack profile

The conditions required to exploit this vulnerability and its potential impact.

Attack vector Local

Attack complexity Low

Privileges required None

User interaction Required

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Exploitability1.8

Impact5.9

Affected products

Product applicability statements supplied with the NVD record.

NVD has not published structured affected-product data for this record.

Weakness classification

CWE categories help security teams group the underlying software weakness.

CWECWE-787

Source references

External advisories, patches and technical reports attached to this CVE record.

NVD National Vulnerability Database recordnvd.nist.gov 01 Technical reference product-security@apple.com 02 Technical reference product-security@apple.com 03 Technical reference product-security@apple.com 04 Technical reference product-security@apple.com 05 Technical reference product-security@apple.com 06 Technical reference product-security@apple.com 07 Technical reference product-security@apple.com