How severe is CVE-2026-34853?

CVE-2026-34853 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-34853 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34853?

CVE-2026-34853 primarily affects Huawei Harmonyos. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-34853?

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-2026-34853 have an EU (EUVD) identifier?

Yes. CVE-2026-34853 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21798.

When was CVE-2026-34853 published?

CVE-2026-34853 was published on 2026-04-13 and last updated on 2026-06-17.

CVE-2026-34853

CVE-2026-34853 is a high-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 7.7. 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-270.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21798
Weakness: CWE-270
Affected product: Huawei Harmonyos
Published: 2026-04-13
Last modified: 2026-06-17

Description

Permission bypass vulnerability in the LBS module. Impact: Successful exploitation of this vulnerability may affect availability.

Frequently asked questions

What is CVE-2026-34853?: Permission bypass vulnerability in the LBS module. Impact: Successful exploitation of this vulnerability may affect availability.
How severe is CVE-2026-34853?: CVE-2026-34853 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-34853 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34853?: CVE-2026-34853 primarily affects Huawei Harmonyos. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-34853?: 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-2026-34853 have an EU (EUVD) identifier?: Yes. CVE-2026-34853 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21798.
When was CVE-2026-34853 published?: CVE-2026-34853 was published on 2026-04-13 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:huawei:harmonyos:4.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.2.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:14.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:14.2.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:15.0.0:*:*:*:*:*:*:*

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