How severe is CVE-2009-2493?

This vulnerability has a severity rating of HIGH with a CVSS score of 9.3 out of 10.

What type of vulnerability is CVE-2009-2493?

This is classified as CWE-264, which is a common weakness in software security.

CVE-2009-2493 - HIGH Severity | CVSS 9.3

Vulnerability Description

The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold and SP1, and Visual C++ 2005 SP1 and 2008 Gold and SP1; and Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2; does not properly restrict use of OleLoadFromStream in instantiating objects from data streams, which allows remote attackers to execute arbitrary code via a crafted HTML document with an ATL (1) component or (2) control, related to ATL headers and bypassing security policies, aka "ATL COM Initialization Vulnerability."

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