How severe is CVE-2026-28542?

CVE-2026-28542 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2026-28542 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-2026-28542?

CVE-2026-28542 primarily affects Huawei Emui. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-28542?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-28542 have an EU (EUVD) identifier?

Yes. CVE-2026-28542 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9812.

When was CVE-2026-28542 published?

CVE-2026-28542 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-28542

CVE-2026-28542 is a high-severity vulnerability in Huawei Emui with a CVSS 3.x base score of 7.3. 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-755.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9812
Weakness: CWE-755
Affected product: Huawei Emui
Published: 2026-03-05
Last modified: 2026-06-17

Description

Permission bypass vulnerability in the system service framework. Impact: Successful exploitation of this vulnerability may affect availability.

Frequently asked questions

What is CVE-2026-28542?: Permission bypass vulnerability in the system service framework. Impact: Successful exploitation of this vulnerability may affect availability.
How severe is CVE-2026-28542?: CVE-2026-28542 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2026-28542 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-2026-28542?: CVE-2026-28542 primarily affects Huawei Emui. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-28542?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-28542 have an EU (EUVD) identifier?: Yes. CVE-2026-28542 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9812.
When was CVE-2026-28542 published?: CVE-2026-28542 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:huawei:emui:13.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:14.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:14.2.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:3.1.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.2.0:*:*:*:*:*:*:*

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