Out-of-bounds Read in Huawei Harmonyos

CVE-2026-49314

OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.

Affected products

Huawei Harmonyos — versions 6.1.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

Frequently asked questions

What is CVE-2026-49314?: CVE-2026-49314 is a high-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Read. CVSS score: 7.3/10. Published 2026-09-09.
How severe is CVE-2026-49314?: High severity. CVSS v3 base score is 7.3 out of 10.