CVE-2026-28539

Local service data disclosure

Published Mar 5, 2026 · Updated Mar 5, 2026

Data processing error in the certificate management module in Huawei HarmonyOS 5.1.0 and 6.0.0 allows local users to access service data. Huawei has not disclosed the specific data-handling operation or input that causes the confidentiality breach. Local access is required; no prior privileges or user interaction are required, and the reported consequence is limited to service confidentiality.

CVSS severity6.2
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

Data processing error in the certificate management module in Huawei HarmonyOS 5.1.0 and 6.0.0 allows local users to access service data. Huawei has not disclosed the specific data-handling operation or input that causes the confidentiality breach. Local access is required; no prior privileges or user interaction are required, and the reported consequence is limited to service confidentiality.

The record

CVE
CVE-2026-28539
Published
Mar 5, 2026
Updated
Mar 5, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-19
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 5, 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=5.1.0
  2. Affected versionversion=6.0.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=5.1.0; version=6.0.0

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.2Huawei TechnologiesCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Weakness, pattern, technique

CWE-19Data Processing Errors

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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