What is CVE-2026-24922?

CVE-2026-24922 is a medium-severity vulnerability in Huawei Harmonyos, classified under Heap-based Buffer Overflow. CVSS score: 6.9/10. Published 2026-02-06.

How severe is CVE-2026-24922?

Medium severity. CVSS v3 base score is 6.9 out of 10.

Buffer overflow in Huawei Harmonyos

CVE-2026-24922

Buffer overflow vulnerability in the HDC module. Impact: Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H.

Affected products

Huawei Harmonyos — versions 6.0.0

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

psirt@huawei.com (Vendor Advisory)
psirt@huawei.com (Vendor Advisory)
psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-24922?: CVE-2026-24922 is a medium-severity vulnerability in Huawei Harmonyos, classified under Heap-based Buffer Overflow. CVSS score: 6.9/10. Published 2026-02-06.
How severe is CVE-2026-24922?: Medium severity. CVSS v3 base score is 6.9 out of 10.