SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-34858

UAF vulnerability in the communication module.

MEDIUM 4.1EPSS 0.07%

Does this matter?

Lower severity and a low EPSS score (0.07%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1
4.1 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS
0.07% probability · 0th percentile
CISA KEV
Not listed
Weakness
CWE-362
Affected
huawei/harmonyos
Source
psirt@huawei.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.