CVE-2026-28918 json
An out-of-bounds access issue was addressed with improved bounds checking.
published 2026-05-11 5 mo ago modified 2026-10-26 13 d ago also EUVD-2026-29239
- cvss
- 6.5
- 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
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.
Patch / fix
- Apple iOS and iPadOS 26.5
- Apple macOS 26.5
- Apple tvOS 26.5
- Apple visionOS 26.5
- Apple watchOS 26.5
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Affected products
- Apple iOS and iPadOS
- Apple macOS
- Apple tvOS
- Apple visionOS
- Apple watchOS
Classification
References
-
support.apple.com
/en-us/127110
release-notes, vendor-advisory
-
support.apple.com
/en-us/127115
release-notes, vendor-advisory
-
support.apple.com
/en-us/127118
release-notes, vendor-advisory
-
support.apple.com
/en-us/127119
release-notes, vendor-advisory
-
support.apple.com
/en-us/127120
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-28918
- NVD CVE-2026-28918
Fencer Vulns 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.