CVE-2026-84489 json
A buffer overflow was addressed with improved bounds checking.
published 2026-09-14 55 d ago modified 2026-10-26 13 d ago also EUVD-2026-77941
- 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 buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to cause a denial of service.
Patch / fix
- Apple iOS and iPadOS 18.7.10, 27
- Apple macOS 14.8.8, 15.7.8, 27
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 55 d ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
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:N/A:H |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Apple iOS and iPadOS
- Apple macOS
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
support.apple.com
/en-us/128071
release-notes, vendor-advisory
-
support.apple.com
/en-us/128072
release-notes, vendor-advisory
-
support.apple.com
/en-us/148287
release-notes, vendor-advisory
-
support.apple.com
/en-us/149034
release-notes, vendor-advisory
-
support.apple.com
/en-us/149035
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-84489
- NVD CVE-2026-84489
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.