CVE-2026-86921 json
A permissions issue was addressed with improved validation.
published 23d ago modified 2d ago also EUVD-2026-104720
- cvss
- 6.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
A permissions issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. A local attacker may be able to overwrite restricted files.
Patch / fix
- Apple iOS and iPadOS 26.7, 27
- Apple macOS 27
- Apple visionOS 27
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 22d ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-11).
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:N/I:H/A:N |
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Apple iOS and iPadOS
- Apple macOS
- Apple visionOS
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
support.apple.com
/en-us/149034
vendor-advisory, release-notes
-
support.apple.com
/en-us/149035
vendor-advisory, release-notes
-
support.apple.com
/en-us/149038
vendor-advisory, release-notes
-
support.apple.com
/en-us/149041
vendor-advisory, release-notes
Sources
- CVE List CVE-2026-86921
- NVD CVE-2026-86921
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