CVE-2026-67866

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path

Published 2026-08-05. Last modified 2026-08-31.