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CVE-2012-1856: Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability
Microsoft Office · in CISA KEV since 2022-03-03
2022-03-03added to KEV
2022-03-24federal remediation due date
72.03%EPSS exploit probability (30 days) 99.4th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
3,487days from NVD publication to KEV
What it is
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 (CISA)
Apply updates per vendor instructions.
| CWE | CWE-94 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2012-08-15 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2012-1856.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.