CVE-2012-1856

Microsoft Office MSCOMCTL.OCX Remote Code Execution

8.8 HIGHActively exploited (CISA KEV)EPSS 72.0%

Published14 Aug 2012
Added to CISA KEV3 Mar 2022
Remediation due24 Mar 2022

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."

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Microsoft Commerce Server2002 · 2007 · 2009

Microsoft Host Integration Server2004

Microsoft Office2003 · 2007 · 2010

Microsoft Office Web Components2003

Microsoft SQL Server2000 · 2005 · 2008

Microsoft Visual Basic6.0

Microsoft Visual Foxpro8.0 · 9.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Patch & vendor advisories

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-060

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-060PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15447Broken Link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1856US Government Resource
http://www.securityfocus.com/bid/54948Broken LinkThird Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA12-227A.htmlThird Party AdvisoryUS Government Resource

Frequently asked

Is CVE-2012-1856 being actively exploited?

Yes. CVE-2012-1856 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Mar 2022.

How severe is CVE-2012-1856?

CVE-2012-1856 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 72.0% probability of exploitation.

Which products are affected by CVE-2012-1856?

Affected products include Microsoft Commerce Server, Microsoft Host Integration Server, Microsoft Office, Microsoft Office Web Components, Microsoft SQL Server, and 2 more.

How do I fix CVE-2012-1856?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2012-1856 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.