CVE-2026-64747

HighCVSS 7.8/10Last modified Aug 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120

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

CVE-2026-647497.8The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOCVE-2026-64758.8Symlink following in PostgreSQL pg_basebackup plain format and in pg_rewind allows an origin superuser to overwrite local files, e.g. /var/lCVE-2026-647519.8A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOCVE-2026-647527.3A memory corruption issue was addressed by removing the vulnerable code. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, CVE-2026-647536.5A permissions issue was addressed by removing the vulnerable code. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden GateCVE-2026-647545.5An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.CVE-2026-647555.5An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPaCVE-2026-647565.5A path handling issue was addressed with improved validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS SequoCVE-2026-647578.8A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, CVE-2026-647587.8The issue was addressed with improved bounds checks. This issue is fixed in iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, macOS SequoiCVE-2026-64767.2SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuseCVE-2026-647605.5An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27
CVE-2026-64747: High severity, CVSS 7.8 | Vulnix