CVE-2026-58557

Local availability degradation

Published Jul 15, 2026 · Updated Jul 15, 2026

A design defect in Expedition mode in Huawei HarmonyOS 6.1.0 allows local users to degrade device availability. Huawei has not disclosed the faulty operation or input handled by Expedition mode. Exploitation requires high privileges, local access, and user interaction; published data also records limited integrity impact.

CVSS severity4.8
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A design defect in Expedition mode in Huawei HarmonyOS 6.1.0 allows local users to degrade device availability. Huawei has not disclosed the faulty operation or input handled by Expedition mode. Exploitation requires high privileges, local access, and user interaction; published data also records limited integrity impact.

The record

CVE
CVE-2026-58557
Published
Jul 15, 2026
Updated
Jul 15, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-701, T1499
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jul 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 15, 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=6.1.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

MindSpore · HarmonyOSversion=6.1.0

Published CVSS scores

4.8Huawei TechnologiesCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-701Weaknesses Introduced During Design
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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