CVE-2026-34866

MEDIUMCVSS 5.1/10EPSS 0.08%

Last modified

CVE-2026-34866 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.. EPSS estimates a 0.08% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
5.1/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS Probability
0.08%

0.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HuaweiHarmonyos6.0.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-34866?
Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
How severe is CVE-2026-34866?
CVE-2026-34866 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.08% probability of exploitation in the next 30 days.
How do I fix CVE-2026-34866?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-34866?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST