CVE-2026-34856 is a use-after-free vulnerability in the communication module that could affect product availability if successfully exploited. The vulnerability has a CVSS score of 7.5 (HIGH) with a network-based attack vector requiring no privileges or user interaction, making it relatively straightforward to exploit remotely. The FAUCET Risk Score of 38.0/100 indicates moderate concern, though the extremely low EPSS score of 0.000050 suggests minimal real-world exploitation activity at present. The vulnerability is not currently listed on the KEV catalog and remains inactive on threat tracking lists, indicating no widespread active exploitation or public exploit code availability. Organizations should nonetheless prioritize patching given the high CVSS score and the potential for denial-of-service attacks targeting system availability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.0.0CPE matchmatch criteria | cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.