PT-2026-39820 · Apple · Macos Sonoma+3

Wdszzml · Published 2026-05-11 · Updated 2026-05-11 · CVE-2026-28978

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS Sequoia versions prior to 15.7.7 macOS Sonoma versions prior to 14.8.7 macOS Tahoe versions prior to 26.5

Description A permissions issue exists where a malicious application may be able to break out of its sandbox. A sandbox is a security mechanism for separating running programs to prevent them from accessing unauthorized resources.

Recommendations Update macOS Sequoia to version 15.7.7. Update macOS Sonoma to version 14.8.7. Update macOS Tahoe to version 26.5.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-28978

Affected Products

Apple Macos

Macos Sequoia

Macos Sonoma

Macos Tahoe

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-28978 · Security Note
• https://support.apple.com/en-us/127117 · Vendor Advisory
• https://support.apple.com/en-us/127116 · Vendor Advisory
• https://support.apple.com/en-us/127115 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28978 · Note