PT-2026-65299 · Apple · Macos Sequoia+2

CVE-2026-64776 · Published 2026-07-27 · Updated 2026-07-27

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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 application may be able to disclose kernel memory due to insufficient bounds checks. Bounds checks are security mechanisms that ensure a program does not access memory outside the boundaries of a predefined buffer.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2026-64776

Affected Products

Macos Sequoia

Macos Sonoma

Macos Tahoe

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-64776 · Security Note
• https://support.apple.com/en-us/128072 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-64776 · Note
• https://support.apple.com/en-us/128071 · Note
• https://support.apple.com/en-us/128067 · Note