CVE-2026-34859: CWE-416 Use after free in Huawei HarmonyOS
UAF vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
AI Analysis
Technical Summary
This vulnerability is a use-after-free condition (CWE-416) in the kernel module of Huawei HarmonyOS 4.2.0 and 4.3.0. Exploiting this flaw could lead to impacts on system availability and confidentiality. The CVSS 3.1 base score is 5.9, reflecting a medium severity with local attack vector, low attack complexity, no privileges required, and no user interaction needed. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
Exploitation of this vulnerability may allow an attacker to affect the availability and confidentiality of the affected system. The medium CVSS score indicates a moderate risk, with potential for denial of service or unauthorized information disclosure due to the use-after-free condition in the kernel.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor Huawei's security advisories for updates. No specific mitigation steps are provided by the vendor at this time.
CVE-2026-34859: CWE-416 Use after free in Huawei HarmonyOS
Description
UAF vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a use-after-free condition (CWE-416) in the kernel module of Huawei HarmonyOS 4.2.0 and 4.3.0. Exploiting this flaw could lead to impacts on system availability and confidentiality. The CVSS 3.1 base score is 5.9, reflecting a medium severity with local attack vector, low attack complexity, no privileges required, and no user interaction needed. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
Exploitation of this vulnerability may allow an attacker to affect the availability and confidentiality of the affected system. The medium CVSS score indicates a moderate risk, with potential for denial of service or unauthorized information disclosure due to the use-after-free condition in the kernel.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor Huawei's security advisories for updates. No specific mitigation steps are provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-03-31T01:11:13.701Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69dc7c4782d89c981f24c270
Added to database: 4/13/2026, 5:16:55 AM
Last enriched: 4/13/2026, 5:32:53 AM
Last updated: 4/14/2026, 8:03:28 AM
Views: 7
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