CVE-2026-49306

Use‑After‑Free in HarmonyOS Time Module Can Crash Devices

Published Aug 17, 2026 CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Description
UAF vulnerability in the time and time zone module. Impact: Successful exploitation of this vulnerability may affect availability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Use‑After‑Free in HarmonyOS Time Module Can Crash Devices
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Huawei
Huawei harmonyos
Vendors & Products Huawei
Huawei harmonyos
Type Values Removed Values Added
Description UAF vulnerability in the time and time zone module. Impact: Successful exploitation of this vulnerability may affect availability.
Weaknesses CWE-416
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
huawei
Published
Updated
Aug 17, 2026, 11:06 AM
Reserved
May 29, 2026, 3:16 AM
Status
Deferred
Published
Aug 17, 2026, 9:17 AM
Modified
Aug 26, 2026, 4:33 PM