CVE-2009-2493

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Summary

CVECVE-2009-2493
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-07-29 17:30:01 UTC
Updated2026-05-27 17:16:17 UTC
DescriptionThe 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."

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.525630000 probability, percentile 0.979860000 (date 2026-06-01)

Problem Types: CWE-264 | CWE-94 | n/a | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.0[email protected]Primary9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft Visual C 2005 sp1 All All
Application Microsoft Visual C 2008 All All All
Application Microsoft Visual C 2008 sp1 All All
Application Microsoft Visual Studio 2003 sp1 All All
Application Microsoft Visual Studio 2005 sp1 All All
Application Microsoft Visual Studio 2008 All All All
Application Microsoft Visual Studio 2008 sp1 All All
Operating System Microsoft Windows 2000 All sp4 All All
Operating System Microsoft Windows 2003 Server All sp2 All All
Operating System Microsoft Windows Server 2008 All sp2 All All
Operating System Microsoft Windows Server 2008 - All All All
Operating System Microsoft Windows Vista All sp1 All All
Operating System Microsoft Windows Vista All sp2 All All
Operating System Microsoft Windows Vista - All All All
Operating System Microsoft Windows Xp All sp2 All All
Operating System Microsoft Windows Xp All sp3 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
OpenOffice.org 3 Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
sunsolve.sun.com/search/document.do af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com Broken Link
[security-announce] SUSE Security Announcement: IBM Java 6 (SUSE-SA:2009 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
Adobe - Security Bulletins: APSB09-11 Security Update available for Shockwave Player af854a3a-2127-422b-91ae-364da2661108 www.adobe.com Patch, Third Party Advisory
US-CERT Technical Cyber Security Alert TA09-286A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
sunsolve.sun.com/search/document.do af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com Broken Link
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Microsoft Security Bulletin MS09-072 - Critical | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Microsoft Security Bulletin MS09-060 - Critical | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
Microsoft Windows Various Components ATL Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Oracle Open Office Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
Adobe - Security Bulletins: APSB09-10 Security Updates available for Adobe Flash Player, Adobe Reader and Acrobat af854a3a-2127-422b-91ae-364da2661108 www.adobe.com Third Party Advisory
Microsoft Security Bulletin MS09-055 - Critical | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
CVE-2009-2493 af854a3a-2127-422b-91ae-364da2661108 www.openoffice.org Third Party Advisory
Adobe - Security Bulletins: APSB09-13 Security Update available for Flex SDK af854a3a-2127-422b-91ae-364da2661108 www.adobe.com Third Party Advisory
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
'[security bulletin] HPSBMA02488 SSRT100013 rev.1 - HP ProLiant Support Pack 8.30 for Windows, Remote' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Third Party Advisory
US-CERT Technical Cyber Security Alert TA09-223A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
Adobe Flex Multiple Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
www.novell.com/support/viewContent.do af854a3a-2127-422b-91ae-364da2661108 www.novell.com Third Party Advisory
MS09-037: Why we are using CVE's already used in MS09-035 - Security Research & Defense - Site Home - TechNet Blogs af854a3a-2127-422b-91ae-364da2661108 blogs.technet.com Broken Link
#264648: Security Vulnerability in the Active Template Library in Various Releases of Microsoft Visual Studio Used by the Java Web Start ActiveX Control May Be Leveraged to Execute Arbitrary Code af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com Broken Link
Microsoft Security Bulletin MS09-037 - Critical | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
US-CERT Technical Cyber Security Alert TA09-195A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
Microsoft Visual Studio Active Template Library Three Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Microsoft Security Bulletin MS09-035 - Moderate | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
US-CERT Technical Cyber Security Alert TA09-342A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
Novell GroupWise Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
Adobe - Security Advisories: APSA09-04 - Security Advisory for Adobe Flash Player af854a3a-2127-422b-91ae-364da2661108 www.adobe.com Patch, Third Party Advisory
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