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CVE-2026-34866

NVDCIRCLENISA

EUVD-2026-21879 · Published Apr 13, 2026

Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

Technologies

Huawei Harmonyos

Weaknesses

CWE-120

CVSS scores

  • v3.15.1CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

MITRE ATT&CK

Inferred

Where this vulnerability fits in an attack

Privilege Escalation

References

Potentially impacted assets

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