CVE-2026-86959 json
An input validation issue was addressed with improved input validation.
published 2026-10-20 20 d ago modified 2026-11-09 4 h ago also EUVD-2026-104733
- cvss
- 4.3
- 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
An input validation issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted image may lead to unexpected process termination.
Patch / fix
- Apple iOS and iPadOS 26.7, 27
- Apple macOS 15.8, 26.7, 27
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 d 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 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
Affected products
- Apple iOS and iPadOS
- Apple macOS
Classification
- Weakness
-
- CWE-20 Improper Input Validation
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/149041
vendor-advisory, release-notes
-
support.apple.com
/en-us/149042
vendor-advisory, release-notes
-
support.apple.com
/en-us/149043
vendor-advisory, release-notes
Sources
- CVE List CVE-2026-86959
- NVD CVE-2026-86959
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