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CVE-2026-64691

CRITICAL CVSS: 9.8 Published: 2026-07-27 Modified: 2026-07-28

Description

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Affected Platforms

Apple Macos

Weakness Type

CWE-120

References