Is CVE-2012-0158 being actively exploited?

Yes. CVE-2012-0158 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on November 3, 2021.

What is the CVSS score for CVE-2012-0158?

CVE-2012-0158 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2012-0158

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 100.0%EU EUVD: exploited

The (1) ListView, (2) ListView2, (3) TreeView, and (4) TreeView2 ActiveX controls in MSCOMCTL.OCX in the Common Controls in Microsoft Office 2003 SP3, 2007 SP2 and SP3, and 2010 Gold and SP1; Office 2003 Web Components SP3; SQL Server 2000 SP4, 2005 SP4, and 2008 SP2, SP3, and R2; BizTalk Server 2002 SP1; Commerce Server 2002 SP4, 2007 SP2, and 2009 Gold and R2; Visual FoxPro 8.0 SP1 and 9.0 SP2; and Visual Basic 6.0 Runtime allow remote attackers to execute arbitrary code via a crafted (a) web site, (b) Office document, or (c) .rtf file that triggers "system state" corruption, as exploited in the wild in April 2012, aka "MSCOMCTL.OCX RCE Vulnerability."

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-94
EPSS score: 100.0% (100th percentile)
In CISA KEV: Yes, added November 3, 2021
In EU EUVD: Yes (EUVD-2012-0196)
Published: April 10, 2012
NVD last modified: June 16, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability

Added to the KEV catalog on November 3, 2021; federal remediation due May 3, 2022. Known to be used in ransomware campaigns.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-0196 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.

View on the EU Vulnerability Database

Affected products

microsoft / biztalk server
microsoft / commerce server
microsoft / commerce server
microsoft / commerce server 2009
microsoft / commerce server 2009
microsoft / office
microsoft / office
microsoft / office
microsoft / office
microsoft / office
microsoft / office web components
microsoft / sql server 2000
microsoft / sql server 2005
microsoft / sql server 2008
microsoft / sql server 2008
microsoft / sql server 2008
microsoft / sql server 2008
microsoft / visual basic
microsoft / visual foxpro
microsoft / visual foxpro

References

http://opensources.info/comment-on-the-curious-case-of-a-cve-2012-0158-exploit-by-chris-pierce/(Broken Link)
http://www.securityfocus.com/bid/52911(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1026899(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1026900(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1026902(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1026903(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1026904(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1026905(Broken Link, Third Party Advisory, VDB Entry)
http://www.us-cert.gov/cas/techalerts/TA12-101A.html(Third Party Advisory, US Government Resource)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-027(Patch, Vendor Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/74372(Third Party Advisory, VDB Entry)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15462(Broken Link)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-0158(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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