CVE-2016-0859: Integer overflow in the Kernel service in Advantech WebAccess before 8.1 allows remote attackers to execute...

Security readout for executives and security teams

CVE-2016-0859 is a remote code execution and denial-of-service issue in Advantech WebAccess before version 8.1. A crafted RPC request can trigger memory corruption in the Kernel service. For organizations using WebAccess in operational environments, exposure could affect availability and system integrity. Likely limited to environments running Advantech WebAccess versions before 8.1 with the vulnerable Kernel service reachable over the network. The provided bundle does not identify CPEs, deployment defaults, or network exposure requirements. Prioritize remediation where WebAccess supports operational technology, building systems, or production monitoring. Remote code execution and denial of service create meaningful business risk, even though active exploitation is not evidenced in the provided sources. Mitigation focus: Inventory Advantech WebAccess deployments and identify versions older than 8.1.; Upgrade affected WebAccess instances to version 8.1 or later where vendor guidance supports it.; Restrict network access to WebAccess services, especially RPC-facing management paths..

Prepared

Jun 13, 2026, 21:26 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.