PT-2026-27542 · Apple · Macos Sequoia+6

Published 2026-03-24 · Updated 2026-04-15 · CVE-2026-20688

Positive Technologies (AI Summary)

CVSS v3.1

9.3

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 26.4 iPadOS versions prior to 26.4 macOS Sequoia versions prior to 15.7.5 macOS Sonoma versions prior to 14.8.5 macOS Tahoe versions prior to 26.4 visionOS versions prior to 26.4

Description A flaw exists in path handling due to insufficient validation, potentially allowing an application to escape its sandbox. This could lead to unauthorized access or data leakage.

Recommendations Update iOS to version 26.4. Update iPadOS to version 26.4. Update macOS Sequoia to version 15.7.5. Update macOS Sonoma to version 14.8.5. Update macOS Tahoe to version 26.4. Update visionOS to version 26.4.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-20688

Affected Products

Apple Macos

Ios

Ipados

Macos Sequoia

Macos Sonoma

Macos Tahoe

Visionos

References · 10

• https://support.apple.com/en-us/126792 · Vendor Advisory
• https://support.apple.com/en-us/126794 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/730330 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-20688 · Security Note
• https://support.apple.com/en-us/126796 · Vendor Advisory
• https://support.apple.com/en-us/126795 · Vendor Advisory
• https://support.apple.com/en-us/126799 · Vendor Advisory
• https://twitter.com/CVEarity/status/2044460152053789107 · Twitter Post
• https://twitter.com/fernandokarl/status/2036810982161305823 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20688 · Note