PT-2026-39802 · Apple · Macos Sequoia+4

Yiğit Can Yilmaz + 1 · Published 2026-05-11 · Updated 2026-05-11 · CVE-2026-28954

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 18.7.9 iPadOS versions prior to 18.7.9 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 maliciously crafted disk image may bypass Gatekeeper checks, allowing a file quarantine bypass.

Recommendations Update iOS to version 18.7.9. Update iPadOS to version 18.7.9. Update macOS Sequoia to version 15.7.7. Update macOS Sonoma to version 14.8.7. Update macOS Tahoe to version 26.5.

Fix

Authentication Bypass by Spoofing

Weakness Enumeration

CWE-290

Related Identifiers

CVE-2026-28954

Affected Products

Ios

Ipados

Macos Sequoia

Macos Sonoma

Macos Tahoe

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-28954 · Security Note
• https://support.apple.com/en-us/127117 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28954 · Note
• https://support.apple.com/en-us/127116 · Note
• https://support.apple.com/en-us/127111 · Note
• https://support.apple.com/en-us/127115 · Note