macOS Kernel Mem Corrupt via App (Sequoia 15.7.8 / Sonoma 14.8.8 / Tahoe 26.6)
CVE-2026-64697 Published on July 27, 2026
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.
Vulnerability Analysis
CVE-2026-64697 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2026-64697 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2026-64697
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Affected Versions
Apple macOS:- Before 14.8.8 is affected.
- Before 15.7.8 is affected.
- Before 26.6 is affected.