CVE-2012-1856
Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability
Microsoft OfficeApplications & CMS
CVSS
8.8HighExploit odds (EPSS)72.0%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
Description
The TabStrip ActiveX control in the Common Controls in MSCOMCTL.OCX in Microsoft Office allows remote attackers to execute arbitrary code via a crafted (1) document or (2) web page that triggers system-state corruption.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 4
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-060Advisoryvia CVE List
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15447Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2012-1856Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1856Referencevia CVE List