CVE-2026-21087: Samsung Android

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

Out-of-bounds write in libmdnie.so prior to SMR Sep-2026 Release 1 allows local attackers to execute arbitrary code with system server privilege.

Affected products

• Samsung Android: version 15.0 only; version 16.0 only; version 17.0 only

Published 2026-09-09. Last modified 2026-09-11.