How severe is CVE-2026-34867?

CVE-2026-34867 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2026-34867 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-2026-34867?

CVE-2026-34867 primarily affects Huawei Harmonyos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-34867?

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

Does CVE-2026-34867 have an EU (EUVD) identifier?

Yes. CVE-2026-34867 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21804.

When was CVE-2026-34867 published?

CVE-2026-34867 was published on 2026-04-13 and last updated on 2026-06-17.

CVE-2026-34867

CVE-2026-34867 is a medium-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 5.6. 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-415.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21804
Weakness: CWE-415
Affected product: Huawei Harmonyos
Published: 2026-04-13
Last modified: 2026-06-17

Description

Double free vulnerability in the multi-mode input system. Impact: Successful exploitation of this vulnerability may affect availability.

Frequently asked questions

What is CVE-2026-34867?: Double free vulnerability in the multi-mode input system. Impact: Successful exploitation of this vulnerability may affect availability.
How severe is CVE-2026-34867?: CVE-2026-34867 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2026-34867 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-2026-34867?: CVE-2026-34867 primarily affects Huawei Harmonyos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-34867?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34867 have an EU (EUVD) identifier?: Yes. CVE-2026-34867 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21804.
When was CVE-2026-34867 published?: CVE-2026-34867 was published on 2026-04-13 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:*

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