What is CVE-2023-41307?

CVE-2023-41307 is a high-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-09-27.

How severe is CVE-2023-41307?

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

Buffer overflow in Huawei Emui

CVE-2023-41307

Memory overwriting vulnerability in the security module. Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

Published 2023-09-27 · 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:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001

Affected products

Huawei Emui — versions 12.0.0, 12.0, 13.0.0
Huawei Harmonyos — versions 3.0.0, 2.1.0, 2.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

consumer.huawei.com/en/support/bulletin/2023/9/ (Vendor Advisory)
device.harmonyos.com/en/docs/security/update/security-bulletins-202309-00000016… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-41307?: CVE-2023-41307 is a high-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-09-27.
How severe is CVE-2023-41307?: High severity. CVSS v3 base score is 7.5 out of 10.