CVE-2008-4827: Multiple heap-based buffer overflows in the AddTab method in the (1) Tab and (2) CTab ActiveX controls in c...

Security readout for executives and security teams

This is a legacy ActiveX issue that could let a malicious web page run code on a user's Windows workstation if vulnerable controls are installed and allowed to load. The main business concern is older SAP GUI, TSC2 Help Desk, or ComponentOne ActiveX deployments that remain reachable through Internet Explorer-era workflows. Exposure is most likely on legacy Windows endpoints with affected ActiveX controls installed, especially ComponentOne SizerOne 8.0.20081.140, ComponentOne Studio for ActiveX 2008, TSC2 Help Desk 4.1.8, SAP GUI 6.40 Patch 29, SAP GUI 7.10, or possibly bundled third-party products. Prioritize if the organization still runs legacy ActiveX workflows or old SAP GUI/help desk clients. For modern environments without Internet Explorer-era ActiveX exposure, urgency is lower, but asset verification is still warranted because vulnerable controls may be bundled inside older business software. Mitigation focus: Inventory endpoints for c1sizer.ocx, sizerone.ocx, and named bundled applications.; Check ComponentOne, TSC2, and SAP guidance for fixed versions or supported workarounds.; Remove or upgrade unsupported legacy ActiveX-dependent software where business processes allow..

Prepared

Jun 28, 2026, 11:41 UTC (UTC+00:00)

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