CVE-2026-64691

CRITICAL9.8

Published 2026-07-27 · Updated 2026-07-28 · Source product-security@apple.com

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.

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

CWE-120

References

https://support.apple.com/en-us/128067

View on NVD

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