CVE-2026-28954 json
A file quarantine bypass was addressed with additional checks.
published 2026-05-11 5 mo ago modified 2026-10-26 13 d ago also EUVD-2026-29259
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Apple iOS and iPadOS 18.7.9
- Apple macOS 14.8.7, 15.7.7, 26.5
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Apple iOS and iPadOS
- Apple macOS
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
-
support.apple.com
/en-us/127111
release-notes, vendor-advisory
-
support.apple.com
/en-us/127115
release-notes, vendor-advisory
-
support.apple.com
/en-us/127116
release-notes, vendor-advisory
-
support.apple.com
/en-us/127117
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-28954
- NVD CVE-2026-28954
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.