Huawei HarmonyOS 5.1.0/6.0.0 Notification Service race condition

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 (≈)
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CTI Interest Score
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1.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Huawei HarmonyOS 5.1.0/6.0.0. Impacted is an unknown function of the component Notification Service. The manipulation leads to race condition. This vulnerability is referenced as CVE-2026-34850. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS 5.1.0/6.0.0. It has been rated as problematic. This issue affects some unknown functionality of the component Notification Service. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is availability. The summary by CVE is:

Race condition vulnerability in the notification service. Impact: Successful exploitation of this vulnerability may affect availability.

The advisory is shared at consumer.huawei.com. The identification of this vulnerability is CVE-2026-34850 since 03/31/2026. The exploitation is known to be difficult. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 1.9
VulDB Meta Temp Score: 1.9

VulDB Base Score: 1.9
VulDB Temp Score: 1.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 1.9
CNA Vector (huawei): 🔒

CVSSv2info

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

Exploitinginfo

Class: Race condition
CWE: CWE-362
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

03/31/2026 CVE reserved
04/13/2026 +13 days Advisory disclosed
04/13/2026 +0 days VulDB entry created
04/13/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2026-34850 (🔒)
GCVE (CVE): GCVE-0-2026-34850
GCVE (VulDB): GCVE-100-357065

Entryinfo

Created: 04/13/2026 07:36
Changes: 04/13/2026 07:36 (62)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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