CVE-2026-28856 json
The issue was addressed with improved authentication.
published 2026-03-25 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-15127
- cvss
- 4.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
The issue was addressed with improved authentication. This issue is fixed in iOS 26.4 and iPadOS 26.4, visionOS 26.4, watchOS 26.4. An attacker with physical access to a locked device may be able to view sensitive user information.
Patch / fix
- Apple iOS and iPadOS 26.4
- Apple visionOS 26.4
- Apple watchOS 26.4
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Apple iOS and iPadOS
- Apple visionOS
- Apple watchOS
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
support.apple.com
/en-us/126792
release-notes, vendor-advisory
-
support.apple.com
/en-us/126798
release-notes, vendor-advisory
-
support.apple.com
/en-us/126799
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-28856
- NVD CVE-2026-28856
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.