CVE-2026-49306: CWE-416 Use after free in Huawei HarmonyOS
CVE-2026-49306 is a use-after-free (UAF) vulnerability in the time and time zone module of Huawei HarmonyOS version 6.1.0. Successful exploitation may impact system availability but does not affect confidentiality or integrity. The vulnerability has a low severity score of 3.3 and requires local access with low privileges to exploit. There is no official patch or remediation guidance available at this time.
AI Analysis
Technical Summary
This vulnerability is a use-after-free (CWE-416) flaw located in the time and time zone module of Huawei HarmonyOS. It affects version 6.1.0 specifically. Exploitation could lead to availability issues on the affected system. The CVSS v3.1 base score is 3.3, reflecting low severity, with attack vector local, low attack complexity, low privileges required, no user interaction, and no impact on confidentiality or integrity. No known exploits are reported in the wild, and no vendor-provided patch or mitigation details are currently available.
Potential Impact
Exploitation of this vulnerability may cause denial of service or other availability disruptions on devices running Huawei HarmonyOS 6.1.0. There is no impact on confidentiality or integrity according to the CVSS vector. The attack requires local access with low privileges and no user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been published by Huawei at this time.
CVE-2026-49306: CWE-416 Use after free in Huawei HarmonyOS
Description
CVE-2026-49306 is a use-after-free (UAF) vulnerability in the time and time zone module of Huawei HarmonyOS version 6.1.0. Successful exploitation may impact system availability but does not affect confidentiality or integrity. The vulnerability has a low severity score of 3.3 and requires local access with low privileges to exploit. There is no official patch or remediation guidance available at this time.
CVSS v3.1
Score 3.3low
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a use-after-free (CWE-416) flaw located in the time and time zone module of Huawei HarmonyOS. It affects version 6.1.0 specifically. Exploitation could lead to availability issues on the affected system. The CVSS v3.1 base score is 3.3, reflecting low severity, with attack vector local, low attack complexity, low privileges required, no user interaction, and no impact on confidentiality or integrity. No known exploits are reported in the wild, and no vendor-provided patch or mitigation details are currently available.
Potential Impact
Exploitation of this vulnerability may cause denial of service or other availability disruptions on devices running Huawei HarmonyOS 6.1.0. There is no impact on confidentiality or integrity according to the CVSS vector. The attack requires local access with low privileges and no user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been published by Huawei at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-05-29T03:16:14.062Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a82c954bf8831d5398c74b5
Added to database: 08/17/2026, 08:41:56 UTC
Last enriched: 08/17/2026, 08:59:53 UTC
Last updated: 08/17/2026, 09:01:03 UTC
Views: 4
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