Vulnerability · NVD

CVE-2026-64767

CVE-2026-64767 : critical severity (CVSS 9.8). No tracked catalog app is linked to this CVE.

Severity (CVSS): 9.8
Exploitation: 0.8 %
Tracked apps: 0
Still exposed: 0

Published on 2026-07-27

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

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

EPSS 0.78% above median percentile 54.0%

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

macOS Fixed in 26.6 15.7.8 14.8.8

View on NVD ↗ Advisory · support.apple.com

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