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CVE-2026-49304: CWE-264 Permissions, Privileges, and Access Controls in Huawei HarmonyOS

0
Medium
Published: 08/17/2026 (08/17/2026, 08:23:30 UTC)
Source: CVE Database V5
Vendor/Project: Huawei
Product: HarmonyOS

Description

CVE-2026-49304 is a permission control vulnerability in the device key management module of Huawei HarmonyOS version 6.1.0. Exploiting this flaw may impact system availability. The vulnerability has a CVSS score of 6.2, indicating medium severity. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.

CVSS v3.1

Score 6.2medium

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

Huawei

HarmonyOS

Affected versions
=6.1.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/24/2026, 13:35:48 UTC

Technical Analysis

This vulnerability in Huawei HarmonyOS 6.1.0 involves improper permission controls within the device key management module, categorized under CWE-264 (Permissions, Privileges, and Access Controls). Successful exploitation can affect the availability of the system, but does not impact confidentiality or integrity. The CVSS 3.1 vector indicates local attack vector with low attack complexity, no privileges required, no user interaction, and unchanged scope.

Potential Impact

The primary impact is on system availability, meaning an attacker could potentially disrupt or degrade the normal functioning of the device key management module. There is no impact on confidentiality or integrity according to the CVSS vector. No known active exploitation has been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation has been published, monitoring Huawei's advisories for updates is recommended.

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Technical Details

Data Version
5.2
Assigner Short Name
huawei
Date Reserved
2026-05-29T03:16:14.062Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a82c954bf8831d5398c74ad

Added to database: 08/17/2026, 08:41:56 UTC

Last enriched: 08/24/2026, 13:35:48 UTC

Last updated: 10/01/2026, 14:51:07 UTC

Views: 71

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