ExploitedIn CISA KEVFix available

CVE-2012-0158

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

Published2012-04-10
WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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."

Timeline

dates in UTC

2012-04-1021:55CVE publishedNVD
2021-11-03Listed as exploited by GCVEGCVE
2021-11-03Exploitation first reportedCISA KEV
2021-11-03Added to the CISA KEV catalogCISA KEV
2025-02-1019:33SSVC exploitation set to activeCISA-ADP
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2012-0158?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2012-0158?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft office

Branch	Affected	Fixed in	Source
2003.x	= 2003	no fix published	NVD
2007.x	= 2007	no fix published	NVD
2010.x	= 2010	no fix published	NVD

Microsoft commerce server

Branch	Affected	Fixed in	Source
2002.x	= 2002	no fix published	NVD
2007.x	= 2007	no fix published	NVD

Microsoft commerce server 2009

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD
—	= r2	no fix published	NVD

7 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

CISA’s required action: Apply updates per vendor instructions.due 2022-05-03

Advisories and patches

docs.microsoft.comPatch · Vendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 2 repositories, unverifiedRobertoLeonFR-ES/Exploit-Win32.CVE-2012-0158.F.docSunqiz/CVE-2012-0158-reproduction

CISA Known Exploited Vulnerability

Date Added: 2021-11-03
Patch Due Date: 2022-05-03
Ransomware Use: Unknown
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2021-11-03
GCVEexploitation2021-11-03
CISA-ADPSSVC decisionactive2025-02-10
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.18.82025-02-10
NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
CISA-ADPweakness (CWE)CWE-942025-02-10
NVDweakness (CWE)CWE-94read 2026-10-23
FIRST EPSSEPSS score99.9 %read 2026-10-23
PoC-in-GitHubproof of concept2read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2012-04-10
Last Modified: 2026-06-16
NVD status: Analyzed

Frequently asked questions

What is CVE-2012-0158?

Is CVE-2012-0158 actively exploited?

Yes. CVE-2012-0158 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

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

CVE-2012-0158 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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