CVE-2026-28543

low-risk

Published 2026-03-05

Race condition vulnerability in the maintenance and diagnostics module. Impact: Successful exploitation of this vulnerability may affect availability.

Do I need to act?

0.01% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.4/10 Medium

LOCAL / LOW complexity

Affected Products (2)

Harmonyos

Affected Vendors

Huawei

References (3)

Vendor Advisory https://consumer.huawei.com/en/support/bulletin/2026/3/

Vendor Advisory https://consumer.huawei.com/en/support/bulletinlaptops/2026/3/

Vendor Advisory https://consumer.huawei.com/en/support/bulletinwearables/2026/3/

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low-risk

Severity 15/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 7/34 · Low