March 3, 2022 · Applied Cybernetics Group
CVE-2012-1856 — Microsoft Office
Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-24- Vendor
- Microsoft
- Product
- Office
- EPSS
- 99.7th percentile (score 0.916, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2012-1856
CISA short 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.
Required action
Apply updates per vendor instructions.