What is CVE-2021-26688?

CVE-2021-26688 is a critical-severity vulnerability in Google Android. CVSS score: 9.8/10. Published 2021-02-04.

How severe is CVE-2021-26688?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Google Android

CVE-2021-26688

An issue was discovered on LG Wing mobile devices with Android OS 10 software. The biometric sensor has weak security properties. The LG ID is LVE-SMP-200030 (February 2021).

Published 2021-02-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Google Android — versions 10.0
LG Wing

References

lgsecurity.lge.com/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-26688?: CVE-2021-26688 is a critical-severity vulnerability in Google Android. CVSS score: 9.8/10. Published 2021-02-04.
How severe is CVE-2021-26688?: Critical severity. CVSS v3 base score is 9.8 out of 10.