CVE-2026-34865 - Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality

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CRITICAL

Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality

Published Apr 13, 2026

10.0

CRITICAL

CVSS 4.0

EPSS 0.36%

Description

Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

Affected products

Vendor Huawei Product HarmonyOS Default
unaffected
- Version
  6.0.0
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Huawei

HarmonyOS

unaffected

Version	Status	Constraints
6.0.0	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-122

References (2)

https://consumer.huawei.com/en/support/bulletinwearables/2026/4/
Vendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-21877
Advisory

Link	Providers	Tags
https://consumer.huawei.com/en/support/bulletinwearables/2026/4/		Vendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-21877		Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner huawei

Published Apr 13, 2026

Updated Apr 13, 2026

Reserved Mar 31, 2026

Link CVE-2026-34865

CISA Vulnrichment

Updated Apr 13, 2026

NVD

Status Analyzed

Modified Jun 17, 2026

Link CVE-2026-34865

Red Hat

Severity n/a

Public date n/a

Links CVE-2026-34865

ENISA EUVD

Assigner huawei

Published Apr 13, 2026

Updated Apr 13, 2026

Exploited since n/a

Link EUVD-2026-21877

EUVD-2026-21877