Vulnerability in Huawei Harmonyos

CVE-2026-49312

Permission control vulnerability in the window module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.

EPSS exploit prediction

EPSS: 0.001 (1.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-49312: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49312?
CVE-2026-49312 is a medium-severity vulnerability in Huawei Harmonyos, classified under CWE-264. CVSS score: 4.0/10. Published 2026-09-09.
How severe is CVE-2026-49312?
Medium severity. CVSS v3 base score is 4.0 out of 10.