CVE-2026-28866 json
This issue was addressed with improved validation of symlinks.
published 7mo ago modified 14d ago also EUVD-2026-15145
- cvss
- 6.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
This issue was addressed with improved validation of symlinks. 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. 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
Is CVE-2026-28866 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
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/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-59 Improper Link Resolution Before File Access
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
Sources
- CVE List CVE-2026-28866
- NVD CVE-2026-28866
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.