Vulnerability in Openharmony

CVE-2026-27766

in OpenHarmony v6.0 and prior versions allow a local attacker cause information leak.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-27766: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-27766?
CVE-2026-27766 is a medium-severity vulnerability in Openharmony, classified under Signal Handler Race Condition. CVSS score: 5.5/10. Published 2026-05-19.
How severe is CVE-2026-27766?
Medium severity. CVSS v3 base score is 5.5 out of 10.