CVE-2009-2493

Published: Jul 29, 2009Updated: May 27, 2026 Sources: CVE List NVDCWE-264

8.8HIGH

NVD MITRE

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."

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

Open in CVSS calculator →

Weaknesses

CWE-264 CWE-94

Affected Products

microsoft

commercial·US

visual c\+\+On-prem

Operating Systems / windows

windows vistaOS

Operating Systems / windows

windows 2003 serverOS

Operating Systems / windows

windows server 2008On-premOS

Operating Systems / windows

visual studioOn-premDesktop App

DevTools & CI / ide-editor

and 3 more affected products View all →

Exploitability

Official Patch Available

Is your org exposed to CVE-2009-2493?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques

Execution

Initial Access

View detailed technique mapping

References

http://www.adobe.com/support/security/bulletins/apsb09-11.html

adobe.com

http://sunsolve.sun.com/search/document.do?assetkey=1-66-266108-1

sunsolve.sun.com

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6304

oval.cisecurity.org

and 33 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2009-2493 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows