CVE-2026-34861

Availability impact via thermal-management race condition

Published Apr 13, 2026 · Updated Apr 13, 2026

Race condition in Huawei HarmonyOS 6.0.0 allows local users to interrupt device operation through the thermal management module. Huawei has not disclosed the affected function, shared resource, or unsynchronized operation that causes the race. Huawei's assessment requires high local privileges, while the bulletin does not specify whether the availability impact is a hang, crash, or reboot.

CVSS severity6.3
Medium
EPSS probability0.06%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Race condition in Huawei HarmonyOS 6.0.0 allows local users to interrupt device operation through the thermal management module. Huawei has not disclosed the affected function, shared resource, or unsynchronized operation that causes the race. Huawei's assessment requires high local privileges, while the bulletin does not specify whether the availability impact is a hang, crash, or reboot.

The record

CVE
CVE-2026-34861
Published
Apr 13, 2026
Updated
Apr 13, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-362
Attack vector
local
Privileges
admin

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 privilegesadmin

What is affected?

MindSpore · HarmonyOSversion=6.0.0

Published CVSS scores

6.3Huawei TechnologiesCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
4.7NIST NVDCVSS:3.1/AV:L/AC:H/PR:L/UI:N/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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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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