What is CVE-2025-66319?

CVE-2025-66319 is a low-severity vulnerability in Huawei Harmonyos, classified under CWE-264. CVSS score: 3.3/10. Published 2026-03-05.

How severe is CVE-2025-66319?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Huawei Harmonyos

CVE-2025-66319

Permission control vulnerability in the resource scheduling module. Impact: Successful exploitation of this vulnerability may affect service integrity.

EPSS: 0.001 (1.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Huawei Harmonyos — versions 6.0.0, 5.1.0

Weakness classification (CWE)

CWE-264

References

psirt@huawei.com (Vendor Advisory)
psirt@huawei.com (Vendor Advisory)
psirt@huawei.com (Vendor Advisory)
psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-66319?: CVE-2025-66319 is a low-severity vulnerability in Huawei Harmonyos, classified under CWE-264. CVSS score: 3.3/10. Published 2026-03-05.
How severe is CVE-2025-66319?: Low severity. CVSS v3 base score is 3.3 out of 10.