CVE-2026-34852

Local availability disruption

Published Apr 13, 2026 · Updated Apr 13, 2026

Stack overflow in the media platform in Huawei HarmonyOS 6.0.0 allows local users to disrupt device availability via unspecified input. Huawei has not published the affected function or explained how the media platform mishandles that input. Exploitation requires low-privileged local access and user interaction; Huawei reports only that availability is affected.

CVSS severity6.1
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in the media platform in Huawei HarmonyOS 6.0.0 allows local users to disrupt device availability via unspecified input. Huawei has not published the affected function or explained how the media platform mishandles that input. Exploitation requires low-privileged local access and user interaction; Huawei reports only that availability is affected.

The record

CVE
CVE-2026-34852
Published
Apr 13, 2026
Updated
Apr 13, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-835, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 13, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.0.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

MindSpore · HarmonyOSversion=6.0.0

Published CVSS scores

6.1Huawei TechnologiesCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H
6.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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