What is CVE-2026-81645?

CVE-2026-81645 is a medium-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Read. CVSS score: 5.9/10. Published 2026-09-24.

How severe is CVE-2026-81645?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Out-of-bounds Read in Huawei Harmonyos

CVE-2026-81645

Out-of-bounds read vulnerability in the graphics module. Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

Published 2026-09-24 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (0.4th percentile), scored 2026-09-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Huawei Harmonyos — versions 6.1.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

Frequently asked questions

What is CVE-2026-81645?: CVE-2026-81645 is a medium-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Read. CVSS score: 5.9/10. Published 2026-09-24.
How severe is CVE-2026-81645?: Medium severity. CVSS v3 base score is 5.9 out of 10.