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

> CVE-2012-1856: Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2012-1856
Last updated: 2025-10-22T00:05:46Z

- Published: 2012-08-15 01:00 UTC · Updated: 2025-10-22 00:05 UTC · Assigner: microsoft
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 72.0%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-03-03, federal due date 2022-03-24, ransomware use: Unknown

## 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."

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft: Office

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2012-1856)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2012-1856)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-060](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://oval.cisecurity.org/repository/search/definition/oval%253Aorg.mitre.oval%253Adef%253A15447)
- [http://www.securityfocus.com/bid/54948](http://www.securityfocus.com/bid/54948)
- [http://www.us-cert.gov/cas/techalerts/TA12-227A.html](http://www.us-cert.gov/cas/techalerts/TA12-227A.html)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2012-1856 · Markdown: https://rewindex.com/cve/CVE-2012-1856.md · JSON: https://rewindex.com/api/v1/cves/CVE-2012-1856 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:02:09.123Z