PT-2026-65234 · Apple · Macos Sequoia+2

CVE-2026-64694 · 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 An integer overflow occurs due to insufficient input validation, which may allow an application to cause unexpected system termination. An integer overflow is a condition where an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of bits.

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

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2026-64694

Affected Products

Macos Sequoia

Macos Sonoma

Macos Tahoe

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-64694 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-64694 · 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