CVE-2007-2820: Multiple stack-based buffer overflows in the KSign KSignSWAT ActiveX Control (AxKSignSWAT.dll) 2.0.3.3 allo...

Security readout for executives and security teams

CVE-2007-2820 is a remote code execution risk in the KSign KSignSWAT ActiveX control. A malicious page or content could pass oversized input to vulnerable control functions and potentially run code as the logged-in user. The sources do not name a patch or current exploitation. Exposure is most likely on legacy Windows endpoints where KSign KSignSWAT ActiveX Control AxKSignSWAT.dll 2.0.3.3 remains installed and usable by ActiveX-enabled browser workflows. The bundle does not identify affected vendors beyond the component name. Prioritize discovery and removal if this control exists in business environments. The business risk is endpoint compromise through obsolete ActiveX technology, but urgency depends on whether the component is still deployed and reachable through user browsing or legacy applications. Mitigation focus: Inventory endpoints for AxKSignSWAT.dll and confirm any 2.0.3.3 installations.; Remove or disable the KSign KSignSWAT ActiveX control where it is not required.; Restrict ActiveX execution to trusted sites and managed allow-lists..

Prepared

Jun 29, 2026, 05:28 UTC (UTC+00:00)

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