What is CVE-2022-46311?

CVE-2022-46311 is a high-severity vulnerability in Huawei Harmonyos, classified under Use After Free. CVSS score: 7.5/10. Published 2022-12-20.

How severe is CVE-2022-46311?

High severity. CVSS v3 base score is 7.5 out of 10.

Use After Free in Huawei Harmonyos

CVE-2022-46311

The contacts component has a free (undefined) provider vulnerability. Successful exploitation of this vulnerability may affect data integrity.

Vulnerability class: Use-After-Free

Published 2022-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Huawei Harmonyos — versions 2.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

device.harmonyos.com/en/docs/security/update/security-bulletins-202212-00000014… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-46311?: CVE-2022-46311 is a high-severity vulnerability in Huawei Harmonyos, classified under Use After Free. CVSS score: 7.5/10. Published 2022-12-20.
How severe is CVE-2022-46311?: High severity. CVSS v3 base score is 7.5 out of 10.