CVE-2026-34857 - Vulnerability Details - OpenCVE

UAF vulnerability in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00005.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Huawei	Harmonyos

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Huawei	Harmonyos

References

Link	Providers
https://consumer.huawei.com/en/support/bulletin/2026/4/
https://consumer.huawei.com/en/support/bulletinvision/2026/4/
https://consumer.huawei.com/en/support/bulletinwearables/2026/4/

History

Mon, 13 Apr 2026 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 13 Apr 2026 14:30:00 +0000

Type	Values Removed	Values Added
Title		Use‑After‑Free Vulnerability in HarmonyOS Communication Module Causing Availability Issues

Mon, 13 Apr 2026 13:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Huawei Huawei harmonyos
Vendors & Products		Huawei Huawei harmonyos

Mon, 13 Apr 2026 05:15:00 +0000

Type	Values Removed	Values Added
Description		UAF vulnerability in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.
Weaknesses		CWE-362
References		https://consumer.huawei.com/en/support/bulletin/2026/4/ https://consumer.huawei.com/en/support/bulletinvision/2026/4/ https://consumer.huawei.com/en/support/bulletinwearables/2026/4/
Metrics		cvssV3_1 `{'score': 4.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:H'}`

MITRE

Status: PUBLISHED

Assigner: huawei

Published: 2026-04-13T04:05:08.412Z

Updated: 2026-04-13T14:49:42.067Z

Reserved: 2026-03-31T01:11:13.701Z

Link: CVE-2026-34857

Vulnrichment

Updated: 2026-04-13T14:49:38.808Z

NVD

Status : Undergoing Analysis

Published: 2026-04-13T05:16:03.520

Modified: 2026-04-13T15:01:43.663

Link: CVE-2026-34857

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-04-13T12:53:19Z

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