CVE-2026-28954

A file quarantine bypass was addressed with additional checks

High · published May 11, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
36.6
In the wild
Unconfirmed
What it is

A file quarantine bypass was addressed with additional checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A maliciously crafted disk image may bypass Gatekeeper checks.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00433 · 36.6th percentile
Published
2026-05-11T20:07Z
EPSS history
Timeline
  • 11 MAY 20:07Z
    A file quarantine bypass was addressed with additional checks
    cvelistv5