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. The vulnerability has a low CVSS score of 3.3 and does not affect confidentiality or integrity. There is no information about an available patch or official remediation 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 an availability impact, such as a denial of service, but does not compromise confidentiality or integrity. The CVSS 3.1 base score is 3.3, reflecting low severity with local attack vector, low complexity, and requiring low privileges without user interaction. No known exploits are reported in the wild. No vendor advisory or patch information is currently available, and the remediation level is unspecified.
Potential Impact
The impact of this vulnerability is limited to availability disruption. There is no impact on confidentiality or integrity. Exploitation could cause denial of service or system instability in affected HarmonyOS 6.1.0 devices.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been disclosed 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. The vulnerability has a low CVSS score of 3.3 and does not affect confidentiality or integrity. There is no information about an available patch or official remediation at this time.
CVSS v3.1
Score 3.3low
Affected software
Huawei
HarmonyOS
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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 an availability impact, such as a denial of service, but does not compromise confidentiality or integrity. The CVSS 3.1 base score is 3.3, reflecting low severity with local attack vector, low complexity, and requiring low privileges without user interaction. No known exploits are reported in the wild. No vendor advisory or patch information is currently available, and the remediation level is unspecified.
Potential Impact
The impact of this vulnerability is limited to availability disruption. There is no impact on confidentiality or integrity. Exploitation could cause denial of service or system instability in affected HarmonyOS 6.1.0 devices.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been disclosed 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
Threat ID: 6a82c954bf8831d5398c74b5
Added to database: 08/17/2026, 08:41:56 UTC
Last enriched: 08/24/2026, 13:36:00 UTC
Last updated: 10/01/2026, 14:51:07 UTC
Views: 111
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