CVE-2026-64739

HighCVSS 8.8/10Last modified Aug 17, 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. 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 attacker may be able to cause unexpected app termination.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Jul 27, 2026
Last modified
Aug 17, 2026
NVD status
Modified

Related CVEs from 2026

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CVE-2026-64739: High severity, CVSS 8.8 | Vulnix