The (1) ListView, (2) ListView2, (3) TreeView, and (4) TreeView2 ActiveX controls in MSCOMCTL.OCX in the Common Controls in Microsoft Office
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."
- Published
- Apr 10, 2012
- Updated
- Jun 16, 2026
- EPSS
- 100.0% · 100th percentile
- CWE
- CWE-94
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Report tools
Action score
95
Now
Patch today or shut off access.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 30 / 30 · Listed
- EPSS
- 30 / 30 · 100.0%
CISA SSVC decision
- Exploitation
- active
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
Actively exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on Nov 3, 2021. That signals real attacks, not theory.
Remediation deadline for government agencies: May 3, 2022.
Known to be used in ransomware campaigns.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | office | cpe:2.3:a:microsoft:office |
| microsoft | office web components | cpe:2.3:a:microsoft:office_web_components |
| microsoft | sql server 2000 | cpe:2.3:a:microsoft:sql_server_2000 |
| microsoft | sql server 2005 | cpe:2.3:a:microsoft:sql_server_2005 |
| microsoft | sql server 2008 | cpe:2.3:a:microsoft:sql_server_2008 |
| microsoft | biztalk server | cpe:2.3:a:microsoft:biztalk_server |
| microsoft | commerce server | cpe:2.3:a:microsoft:commerce_server |
| microsoft | commerce server 2009 | cpe:2.3:a:microsoft:commerce_server_2009 |
| microsoft | visual basic | cpe:2.3:a:microsoft:visual_basic |
| microsoft | visual foxpro | cpe:2.3:a:microsoft:visual_foxpro |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft biztalk server2002
- microsoft commerce server2002
- microsoft commerce server2007
- microsoft commerce server 2009all versions
- microsoft commerce server 2009r2
- microsoft office2003
- microsoft office2007
- microsoft office2010
- microsoft office web components2003
- microsoft sql server 2000all versions
- microsoft sql server 2005all versions
- microsoft sql server 2008all versions
- microsoft sql server 2008r2
- microsoft visual basic6.0
- microsoft visual foxpro8.0
- microsoft visual foxpro9.0
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2018-0798Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allows a remote code execuKEV94Now
- CVE-2017-11882Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016 KEV91Now
- CVE-2017-0199Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, WindowsKEV91Now
- CVE-2015-1641Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for Mac 2011, Office Compatibility Pack SP3, KEV90Now
- CVE-2018-0802Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code executKEV89Now
- CVE-2017-8570Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office RemoteKEV88Now
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
- Exploit-DB entry ×1
- Proof-of-concept repository on GitHub ×2
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | remote | 2012-04-25 |
| Metasploit module | exploit/windows/fileformat/ms12_027_mscomctl_bofMS12-027 MSCOMCTL ActiveX Buffer Overflowexploit | 2012-04-10 |
| Proof-of-concept repository on GitHub | stars:0 | 2022-01-03 |
| Proof-of-concept repository on GitHub | stars:1 | 2022-08-15 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Metasploit-1 d
- Published
- First PoC+14 d
- CISA KEV+3493 d
- TodaySep 30, 2026+5285 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-94 · Improper Control of Generation of Code ('Code Injection')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- opensources.info/comment-on-the-curious-case-of-a-cve-2012-0158-exploit-by-chris-pierce/
- www.securityfocus.com/bid/52911
- www.securitytracker.com/id?1026899
- www.securitytracker.com/id?1026900
- www.securitytracker.com/id?1026902
- www.securitytracker.com/id?1026903
- www.securitytracker.com/id?1026904
- www.securitytracker.com/id?1026905
- www.us-cert.gov/cas/techalerts/TA12-101A.html
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-027
- exchange.xforce.ibmcloud.com/vulnerabilities/74372
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15462
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-0158
Vendor advisories and official records. Exploit/PoC links are deliberately left out.