CVE-2026-28876 json
A parsing issue in the handling of directory paths was addressed with improved path validation.
published 7mo ago modified 14d ago also EUVD-2026-15153
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. An app may be able to access sensitive user data.
Patch / fix
- Apple iOS and iPadOS 18.7.7, 26.4
- Apple macOS 14.8.5, 15.7.5, 26.4
- Apple visionOS 26.4
Is CVE-2026-28876 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7mo ago
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).
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
- Apple visionOS
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
support.apple.com
/en-us/126792
release-notes, vendor-advisory
-
support.apple.com
/en-us/126793
release-notes, vendor-advisory
-
support.apple.com
/en-us/126794
release-notes, vendor-advisory
-
support.apple.com
/en-us/126795
release-notes, vendor-advisory
-
support.apple.com
/en-us/126796
release-notes, vendor-advisory
-
support.apple.com
/en-us/126799
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-28876
- NVD CVE-2026-28876
Fencer Intel 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.