CVE-2026-58550

Local service interruption via image codec over-read

Published Jul 15, 2026 · Updated Jul 15, 2026

Out-of-bounds read in the HarmonyOS 6.1.0 image codec module allows local users to interrupt service availability via unspecified input. Huawei has not disclosed the affected parser, function, image format, malformed field, or unchecked operation that permits the read beyond a buffer boundary. The CNA assessment requires local access without privileges or user interaction and limits the technical impact to availability, despite Huawei's bulletin describing confidentiality.

CVSS severity4.0
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds read in the HarmonyOS 6.1.0 image codec module allows local users to interrupt service availability via unspecified input. Huawei has not disclosed the affected parser, function, image format, malformed field, or unchecked operation that permits the read beyond a buffer boundary. The CNA assessment requires local access without privileges or user interaction and limits the technical impact to availability, despite Huawei's bulletin describing confidentiality.

The record

CVE
CVE-2026-58550
Published
Jul 15, 2026
Updated
Jul 15, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-125
Attack vector
local
Privileges
unauthenticated

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 privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=6.1.0

Published CVSS scores

4.0HuaweiCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read

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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