CVE-2007-2903: Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office Activ...

Security readout for executives and security teams

CVE-2007-2903 is an old Microsoft Office 2000 ActiveX control issue. A long input to the HelpPopup method can crash related help functionality, causing denial of service. The public record does not clearly show code execution, active exploitation, or whether the issue crosses a security boundary. Exposure appears limited to legacy environments where Microsoft Office 2000 and OUACTRL.OCX 1.0.1.9 remain installed and reachable by untrusted content. The supplied affected-product metadata is incomplete, so confirm by asset inventory rather than assuming broad Microsoft Office exposure. Low to moderate operational priority unless legacy Office 2000 remains in sensitive workflows. The issue is very old and not KEV-listed, but unsupported ActiveX exposure can create avoidable risk and should be removed during legacy technology reduction. Mitigation focus: Check Microsoft or vendor legacy guidance before applying specific remediation.; Remove or upgrade unsupported Office 2000 installations where feasible.; Disable or restrict the OUACTRL.OCX ActiveX control if business use is not required..

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.