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Emui CVE-2026-24920

MEDIUM
Permissions, Privileges, and Access Controls (CWE-264)
2026-02-06 psirt@huawei.com
Privilege Escalation Emui Harmonyos Huawei
6.2
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-264
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V8 - Authorization Permission and access control
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS 6.2 (MEDIUM). Attack vector: Local. Complexity: Low. Privileges required: None. User interaction: None.
Exploit ScenarioDerived

An attacker could exploit this vulnerability to compromise the affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Permission control vulnerability in the AMS module. Impact: Successful exploitation of this vulnerability may affect availability. [CVSS 6.2 MEDIUM]

RemediationAI

Monitor vendor advisories for a patch.

Affects your stack

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Technical ContextAI · show details

Classified as CWE-264 (Permissions, Privileges, and Access Controls). Affects the AMS component of Emui. Permission control vulnerability in the AMS module. Impact: Successful exploitation of this vulnerability may affect availability.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.2 MEDIUM
AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

DescriptionCVE.org

Permission control vulnerability in the AMS module. Impact: Successful exploitation of this vulnerability may affect availability.

Executive ViewAI

Why It Matters

CVE-2026-24920 presents moderate security risk rated CVSS 6.2. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.0%
Top 100% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact
Low

Priority Score

31
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +31
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)CVE.org

cpe:2.3:o:huawei:emui:14.2.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:15.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.2.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.3.1:*:*:*:*:*:*:*

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Same weakness CWE-264 – Permissions, Privileges, and Access Controls

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Same technique Privilege Escalation

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References

Advisories & patches
ADVISORY https://consumer.huawei.com/en/support/bulletin/2026/2/ ADVISORY https://consumer.huawei.com/en/support/bulletinvision/2026/2/

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