How severe is CVE-2026-28546?

CVE-2026-28546 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-28546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28546?

CVE-2026-28546 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28546?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-28546 have an EU (EUVD) identifier?

Yes. CVE-2026-28546 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9806.

When was CVE-2026-28546 published?

CVE-2026-28546 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-28546

CVE-2026-28546 is a medium-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9806
Weakness: CWE-122
Affected product: Huawei Harmonyos
Published: 2026-03-05
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-28546?: Buffer overflow vulnerability in the scanning module. Impact: Successful exploitation of this vulnerability may affect availability.
How severe is CVE-2026-28546?: CVE-2026-28546 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-28546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28546?: CVE-2026-28546 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28546 have an EU (EUVD) identifier?: Yes. CVE-2026-28546 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9806.
When was CVE-2026-28546 published?: CVE-2026-28546 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:*

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