PT-2026-65243 · Apple · Macos Sequoia+2

CVE-2026-64704 · Published 2026-07-27 · Updated 2026-07-27

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS Sequoia versions prior to 15.7.8 macOS Sonoma versions prior to 14.8.8 macOS Tahoe versions prior to 26.6

Description A type confusion issue exists due to improper memory handling. Type confusion occurs when a program allocates a resource as one type but accesses it as another, which can lead to memory corruption. This flaw allows an application to cause unexpected system termination.

Recommendations Update macOS Sequoia to version 15.7.8. Update macOS Sonoma to version 14.8.8. Update macOS Tahoe to version 26.6.

Fix

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

CVE-2026-64704

Affected Products

Macos Sequoia

Macos Sonoma

Macos Tahoe

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-64704 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-64704 · Note
• https://support.apple.com/en-us/128072 · Note
• https://support.apple.com/en-us/128071 · Note
• https://support.apple.com/en-us/128067 · Note