What is CVE-2026-28536?

CVE-2026-28536 is a critical-severity vulnerability in Huawei Harmonyos, classified under Authentication Bypass by Primary Weakness. CVSS score: 9.6/10. Published 2026-03-05.

How severe is CVE-2026-28536?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Huawei Harmonyos

CVE-2026-28536

Authentication bypass vulnerability in the device authentication module. Impact: Successful exploitation of this vulnerability will affect integrity and confidentiality.

EPSS: 0.000 (11.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Huawei Harmonyos — versions 6.0.0, 5.1.0

Weakness classification (CWE)

CWE-305 — Authentication Bypass by Primary Weakness

References

consumer.huawei.com/en/support/bulletin/2026/3/
consumer.huawei.com/en/support/bulletinvision/2026/3/
consumer.huawei.com/en/support/bulletinlaptops/2026/3/

Frequently asked questions

What is CVE-2026-28536?: CVE-2026-28536 is a critical-severity vulnerability in Huawei Harmonyos, classified under Authentication Bypass by Primary Weakness. CVSS score: 9.6/10. Published 2026-03-05.
How severe is CVE-2026-28536?: Critical severity. CVSS v3 base score is 9.6 out of 10.