Use After Free in Huawei Harmonyos

CVE-2025-66326

Race condition vulnerability in the audio module. Impact: Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Use-After-Free

EPSS: 0.001 (0.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-66326?
CVE-2025-66326 is a medium-severity vulnerability in Huawei Harmonyos, classified under Use After Free. CVSS score: 6.7/10. Published 2025-12-08.
How severe is CVE-2025-66326?
Medium severity. CVSS v3 base score is 6.7 out of 10.