What is CVE-2020-27026?

CVE-2020-27026 is a medium-severity vulnerability in Google Android, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2020-12-15.

How severe is CVE-2020-27026?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Google Android

CVE-2020-27026

During boot, the device unlock interface behaves differently depending on if a fingerprint registered to the device is present. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-79776455

Published 2020-12-15 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.004 (32.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.8% 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 11.0
Android — versions Android-11

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

source.android.com/security/bulletin/pixel/2020-12-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-27026?: CVE-2020-27026 is a medium-severity vulnerability in Google Android, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2020-12-15.
How severe is CVE-2020-27026?: Medium severity. CVSS v3 base score is 5.5 out of 10.