CVE-2026-49312

Deferred Deferred - Pending Action

Window Module Permission Control Vulnerability

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: Huawei Technologies

Description

Permission control vulnerability in the window module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-09

Last Modified

2026-09-09

Generated

2026-11-08

AI Q&A

2026-09-10

EPSS Evaluated

2026-11-07

NVD

CVE-2026-49312

EUVD

EUVD-2026-74598

Affected Vendors & Products

Vendor	Product	Version / Range
huawei	harmonyos	6.1.0
huawei	harmonyos	From 4.0.0 (inc) to 4.3.3 (inc)
huawei	emui	From 14.0.0 (inc) to 16.0.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-264	Permissions, Privileges, and Access Controls

Attack-Flow Graph

Executive Summary

This is a permission control vulnerability in the window module of Huawei HarmonyOS and EMUI. It may allow unauthorized access to certain system functions, potentially leading to confidentiality breaches in services.

Impact Analysis

Successful exploitation could allow attackers to access sensitive information or perform unauthorized actions, affecting the confidentiality of services on your device.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with GDPR, HIPAA, or other standards. The vulnerability affects service confidentiality but lacks details on data protection or regulatory implications.

Mitigation Strategies

Update affected HarmonyOS and EMUI versions to the latest security patches. Monitor Huawei's official security bulletins for patches. Restrict unnecessary permissions for applications and services. Implement network segmentation to limit potential exploitation scope.

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