The fingerprint login feature in Android 6.0.1 before 2016-10-01 and 7.0 before 2016-10-01 does not track the user account during the authentication process, which allows physically proximate attackers to authenticate as an arbitrary user by leveraging lockscreen access, aka internal bug 30744668.
Severity
CVSS 3.0
7.8 high
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-31)