CVE-2009-2496
CVE-2009-2496 is a critical-severity vulnerability in Microsoft Biztalk Server with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 29% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 29% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Microsoft Biztalk Server
- Published:
- Last modified:
Description
Heap-based buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Office Web Components Heap Corruption Vulnerability."
Frequently asked questions
- What is CVE-2009-2496?
- Heap-based buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Office Web Components Heap Corruption Vulnerability."
- How severe is CVE-2009-2496?
- CVE-2009-2496 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2009-2496 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-2496?
- CVE-2009-2496 primarily affects Microsoft Biztalk Server. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-2496?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2009-2496 published?
- CVE-2009-2496 was published on 2009-08-12 and last updated on 2026-06-16.
References
- http://www.securitytracker.com/id?1022708
- http://www.us-cert.gov/cas/techalerts/TA09-223A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-043
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5645
Affected products (13)
- cpe:2.3:a:microsoft:biztalk_server:2002:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2004:sp3:enterprise:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2004:sp3:standard:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2006:sp1:enterprise:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2006:sp1:std:*:*:*:*:*
- cpe:2.3:a:microsoft:office:-:*:small_business_accounting_2006:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_web_components:2000:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_web_components:2003:sp1:2007_microsoft_office:*:*:*:*:*
- cpe:2.3:a:microsoft:office_web_components:2003:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_web_components:xp:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio_.net:2003:sp1:*:*:*:*:*:*
More vulnerabilities in Microsoft Biztalk Server
- CVE-2007-1201 — Critical (CVSS 9.3): Unspecified vulnerability in certain COM objects in Microsoft Office Web Components 2000 allows user-assisted remote…
- CVE-2007-0940 — Critical (CVSS 9.3): Unspecified vulnerability in the Cryptographic API Component Object Model Certificates ActiveX control (CAPICOM.dll) in…
- CVE-2012-0158 — High (CVSS 8.8): The (1) ListView, (2) ListView2, (3) TreeView, and (4) TreeView2 ActiveX controls in MSCOMCTL.OCX in the Common…
- CVE-2003-0118 — High (CVSS 7.5): SQL injection vulnerability in the Document Tracking and Administration (DTA) website of Microsoft BizTalk Server 2000…
- CVE-2003-0117 — High (CVSS 7.5): Buffer overflow in the HTTP receiver function (BizTalkHTTPReceive.dll ISAPI) of Microsoft BizTalk Server 2002 allows…
- CVE-2015-2475 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in uddi/search/frames.aspx in the UDDI Services component in Microsoft Windows…
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