What is CVE-2026-49309?

CVE-2026-49309 is a medium-severity vulnerability in Huawei Emui, classified under CWE-264. CVSS score: 4.8/10. Published 2026-09-09.

How severe is CVE-2026-49309?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Huawei Emui

CVE-2026-49309

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

Published 2026-09-09 · last modified 2026-09-09.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.4th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Huawei Emui — versions 14.0.0, 14.2.0, 15.0.0
Huawei Harmonyos — versions 4.0.0, 4.2.0, 4.3.0

Weakness classification (CWE)

CWE-264

References

consumer.huawei.com/en/support/bulletin/2026/9/

Frequently asked questions

What is CVE-2026-49309?: CVE-2026-49309 is a medium-severity vulnerability in Huawei Emui, classified under CWE-264. CVSS score: 4.8/10. Published 2026-09-09.
How severe is CVE-2026-49309?: Medium severity. CVSS v3 base score is 4.8 out of 10.