Huawei HarmonyOS/EMUI Security use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Huawei HarmonyOS and EMUI. Affected is an unknown function of the component Security Module. Executing a manipulation can lead to use after free. This vulnerability is tracked as CVE-2026-24917. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS and EMUI (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the component Security Module. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

UAF vulnerability in the security module. Impact: Successful exploitation of this vulnerability may affect availability.

The advisory is available at consumer.huawei.com. This vulnerability was named CVE-2026-24917 since 01/28/2026. The exploitation appears to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/11/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.0
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 6.5
CNA Vector (huawei): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/28/2026 CVE reserved
02/06/2026 +9 days Advisory disclosed
02/06/2026 +0 days VulDB entry created
02/11/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2026-24917 (🔒)
GCVE (CVE): GCVE-0-2026-24917
GCVE (VulDB): GCVE-100-344662

Entryinfo

Created: 02/06/2026 10:55
Updated: 02/11/2026 07:58
Changes: 02/06/2026 10:55 (62), 02/11/2026 07:58 (11)
Complete: 🔍
Cache ID: 216::103

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