CVE-2026-24920

Local availability impact

Published Feb 6, 2026 · Updated Feb 6, 2026

Permission control failure in the AMS module of Huawei EMUI and HarmonyOS allows local users to cause an availability impact. Huawei has not disclosed which AMS permission check fails, what request reaches it, or whether exploitation causes a hang, crash, or other interruption. Local access without prior privileges is required; affected releases are EMUI 14.2.0 and 15.0.0 and HarmonyOS 4.2.0, 4.3.0, and 4.3.1.

CVSS severity6.2
Medium
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Permission control failure in the AMS module of Huawei EMUI and HarmonyOS allows local users to cause an availability impact. Huawei has not disclosed which AMS permission check fails, what request reaches it, or whether exploitation causes a hang, crash, or other interruption. Local access without prior privileges is required; affected releases are EMUI 14.2.0 and 15.0.0 and HarmonyOS 4.2.0, 4.3.0, and 4.3.1.

The record

CVE
CVE-2026-24920
Published
Feb 6, 2026
Updated
Feb 6, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-264
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 6, 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=4.2.0
  2. Affected versionversion=4.3.0
  3. Affected versionversion=4.3.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

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

Published CVSS scores

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

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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-264Permissions, Privileges, and Access Controls

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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