EUVD-2026-21800
GHSA-pvgc-rj6v-rx44
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Lifecycle Timeline
5DescriptionNVD
UAF vulnerability in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.
AnalysisAI
Use-after-free in Huawei HarmonyOS communication module allows local attackers to cause denial of service and potentially disclose information without authentication. The vulnerability stems from a race condition (CWE-362) enabling memory corruption with high availability impact. …
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RemediationAI
Within 24 hours: Identify and inventory all HarmonyOS devices in production environments and assess which have local user access. Within 7 days: Implement access controls to restrict local authentication on affected devices and isolate high-risk systems from sensitive networks if feasible. …
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External POC / Exploit Code
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