How severe is CVE-2026-34849?

CVE-2026-34849 has a CVSS 3.x base score of 2.5, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-34849 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-2026-34849?

CVE-2026-34849 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-2026-34849?

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

Does CVE-2026-34849 have an EU (EUVD) identifier?

Yes. CVE-2026-34849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21829.

When was CVE-2026-34849 published?

CVE-2026-34849 was published on 2026-04-13 and last updated on 2026-06-17.

CVE-2026-34849

CVE-2026-34849 is a low-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 2.5. 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-362.

Key facts

Severity: Low (CVSS 3.x base score 2.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21829
Weakness: CWE-362
Affected product: Huawei Harmonyos
Published: 2026-04-13
Last modified: 2026-06-17

Description

UAF vulnerability in the screen management module. Impact: Successful exploitation of this vulnerability may affect availability.

Frequently asked questions

What is CVE-2026-34849?: UAF vulnerability in the screen management module. Impact: Successful exploitation of this vulnerability may affect availability.
How severe is CVE-2026-34849?: CVE-2026-34849 has a CVSS 3.x base score of 2.5, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-34849 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-2026-34849?: CVE-2026-34849 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-2026-34849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34849 have an EU (EUVD) identifier?: Yes. CVE-2026-34849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21829.
When was CVE-2026-34849 published?: CVE-2026-34849 was published on 2026-04-13 and last updated on 2026-06-17.

References

https://consumer.huawei.com/en/support/bulletin/2026/4/

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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