Boundary-unlimited vulnerability in the application read module.

published 2026-04-13 6mo ago modified 2026-10-26 14d ago also EUVD-2026-21846

cvss: 6.8; 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

Boundary-unlimited vulnerability in the application read module. Impact: Successful exploitation of this vulnerability may affect availability.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 6mo ago (2026-04-13)

Exploit prediction

0.08% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NVD	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

Huawei HarmonyOS

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

consumer.huawei.com /en/support/bulletin/2026/4/
vendor-advisory
consumer.huawei.com /en/support/bulletinwearables/2026/4/
vendor-advisory

Sources

CVE List CVE-2026-34864
NVD CVE-2026-34864

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