CVE-2026-34859 json
UAF vulnerability in the kernel module.
published 2026-04-13 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-21838
- cvss
- 5.9
- 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 0%
- public exploits
- 0
- none known
Summary
UAF vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.08% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Affected products
- Huawei HarmonyOS
- Huawei EMUI
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
consumer.huawei.com
/en/support/bulletin/2026/4/
vendor-advisory
-
consumer.huawei.com
/en/support/bulletinvision/2026/4/
vendor-advisory
Sources
- CVE List CVE-2026-34859
- NVD CVE-2026-34859
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.