CVE-2026-41977

Log-service interruption via integer overflow

Published Jun 9, 2026 · Updated Jun 9, 2026

Integer overflow in the Huawei HarmonyOS and EMUI log service allows local users to interrupt the service through local interaction. Huawei identifies CWE-190 but has not disclosed the vulnerable routine, calculation, attacker-controlled input, or exact failure mode. Exploitation requires local access and user interaction; the published consequence is limited to reduced availability, with no confidentiality impact.

CVSS severity5.0
Medium
EPSS probability0.07%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Integer overflow in the Huawei HarmonyOS and EMUI log service allows local users to interrupt the service through local interaction. Huawei identifies CWE-190 but has not disclosed the vulnerable routine, calculation, attacker-controlled input, or exact failure mode. Exploitation requires local access and user interaction; the published consequence is limited to reduced availability, with no confidentiality impact.

The record

CVE
CVE-2026-41977
Published
Jun 9, 2026
Updated
Jun 9, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-190, T1499
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 9, 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=4.0.0
  2. Affected versionversion=4.2.0
  3. Affected versionversion=4.3.0
  4. Affected versionversion=4.3.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=4.0.0; version=4.2.0; version=4.3.0; version=4.3.1
MindSpore · EMUIversion=14.0.0; version=14.2.0; version=15.0.0

Published CVSS scores

5.0Huawei TechnologiesCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/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.

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-190Integer Overflow or Wraparound
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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