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CVE-2012-1856: Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-03-03
• EPSS: 72.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-08-15 · updated 2026-06-16

Description

The TabStrip ActiveX control in the Common Controls in MSCOMCTL.OCX in Microsoft Office 2003 SP3, Office 2003 Web Components SP3, Office 2007 SP2 and SP3, Office 2010 SP1, SQL Server 2000 SP4, SQL Server 2005 SP4, SQL Server 2008 SP2, SP3, R2, R2 SP1, and R2 SP2, Commerce Server 2002 SP4, Commerce Server 2007 SP2, Commerce Server 2009 Gold and R2, Host Integration Server 2004 SP1, Visual FoxPro 8.0 SP1, Visual FoxPro 9.0 SP2, and Visual Basic 6.0 Runtime allows remote attackers to execute arbitrary code via a crafted (1) document or (2) web page that triggers system-state corruption, aka "MSCOMCTL.OCX RCE Vulnerability."

Affected products

• Microsoft Commerce Server: 2002-sp4, 2007-sp2, 2009, 2009-r2
• Microsoft Host Integration Server: 2004-sp1
• Microsoft Office: 2003-sp3, 2007-sp2, 2007-sp3, 2010-sp1
• Microsoft Office Web Components: 2003-sp3
• Microsoft SQL Server: 2000-sp4, 2005-sp3, 2005-sp4, 2008-r2_sp1, 2008-r2_sp2, 2008-sp2 (+1)
• Microsoft Visual Basic: 6.0
• Microsoft Visual Foxpro: 8.0-sp1, 9.0-sp2

References

• http://www.securityfocus.com/bid/54948
• http://www.us-cert.gov/cas/techalerts/TA12-227A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-060
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15447
• http://www.securityfocus.com/bid/54948
• http://www.us-cert.gov/cas/techalerts/TA12-227A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-060
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15447
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1856

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