CVE-2026-21068: Samsung Android

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Stack-based buffer overflow in libril_sem.so prior to SMR Aug-2026 Release 1 allows privileged local attackers to execute arbitrary code.

Affected products

• Samsung Android: version 14.0 only; version 15.0 only; version 16.0 only

Published 2026-08-10. Last modified 2026-08-19.