CVE-2021-0956: Google Android

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

In NfcTag::discoverTechnologies (activation) of NfcTag.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additionalSystem execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12Android ID: A-189942532

Affected products

• Google Android: version 11.0 only; version 12.0 only

Published 2021-12-15. Last modified 2026-06-17.