CVE-2026-81644: CWE-264 Permissions, Privileges, and Access Controls in Huawei HarmonyOS
CVE-2026-81644 is a medium severity denial-of-service (DoS) vulnerability in the preview service module of Huawei HarmonyOS version 6.1.0. Exploiting this flaw may impact system availability without affecting confidentiality or integrity. No official patch or remediation guidance is currently available.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-264 (Permissions, Privileges, and Access Controls), affects Huawei HarmonyOS version 6.1.0. It allows an attacker to cause a denial-of-service condition in the preview service module, potentially disrupting system availability. The CVSS 3.1 base score is 4.3, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality or integrity impact, and low impact on availability.
Potential Impact
Successful exploitation can lead to denial of service, affecting the availability of the preview service module on HarmonyOS 6.1.0. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published by Huawei at this time.
CVE-2026-81644: CWE-264 Permissions, Privileges, and Access Controls in Huawei HarmonyOS
Description
CVE-2026-81644 is a medium severity denial-of-service (DoS) vulnerability in the preview service module of Huawei HarmonyOS version 6.1.0. Exploiting this flaw may impact system availability without affecting confidentiality or integrity. No official patch or remediation guidance is currently available.
CVSS v3.1
Score 4.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-264 (Permissions, Privileges, and Access Controls), affects Huawei HarmonyOS version 6.1.0. It allows an attacker to cause a denial-of-service condition in the preview service module, potentially disrupting system availability. The CVSS 3.1 base score is 4.3, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality or integrity impact, and low impact on availability.
Potential Impact
Successful exploitation can lead to denial of service, affecting the availability of the preview service module on HarmonyOS 6.1.0. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published by Huawei at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-08-27T09:26:59.599Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa0d486acd9273b49a86668
Added to database: 09/09/2026, 03:37:42 UTC
Last enriched: 09/09/2026, 03:52:37 UTC
Last updated: 09/09/2026, 04:10:02 UTC
Views: 6
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