PT-2026-65175 · Apple · Macos Sequoia+2

CVE-2026-43771 · Published 2026-07-27 · Updated 2026-07-27

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/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 issue exists where improved input validation is required to prevent a stack overflow, a condition where the call stack overflows its allocated memory. This could allow an application to cause a denial-of-service.

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

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2026-43771

Affected Products

Macos Sequoia

Macos Sonoma

Macos Tahoe

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-43771 · Security Note
• https://support.apple.com/en-us/128072 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-43771 · Note
• https://support.apple.com/en-us/128067 · Note
• https://support.apple.com/en-us/128071 · Note