CVE-2026-86886 json
A path traversal issue was addressed with improved input validation.
published last mo. modified 16d ago also EUVD-2026-78015
- cvss
- 5.5
- 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 6%
- public exploits
- 0
- none known
Summary
A path traversal issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, watchOS 27. An app may be able to modify protected system files.
Patch / fix
- Apple iOS and iPadOS 26.7, 27
- Apple watchOS 27
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Apple iOS and iPadOS
- Apple watchOS
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
support.apple.com
/en-us/149034
vendor-advisory
-
support.apple.com
/en-us/149037
vendor-advisory
-
support.apple.com
/en-us/149041
vendor-advisory
Sources
- CVE List CVE-2026-86886
- NVD CVE-2026-86886
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