CVE-2012-1856

Microsoft Office: MSCOMCTL.OCX Remote Code Execution

As of , CVE-2012-1856 in Microsoft Office is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 3 March 2022
US federal deadline
24 March 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.72Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.49 on 3 March 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw 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.

CISA's description

The TabStrip ActiveX control in the Common Controls in MSCOMCTL.OCX in Microsoft Office 2003 SP3, Office 2003 Web Components SP3, Office 2007 SP2 and SP3, Office 2010 SP1, SQL Server 2000 SP4, SQL Server 2005 SP4, SQL Server 2008 SP2, SP3, R2, R2 SP1, and R2 SP2, Commerce Server 2002 SP4, Commerce Server 2007 SP2, Commerce Server 2009 Gold and R2, Host Integration Server 2004 SP1, Visual FoxPro 8.0 SP1, Visual FoxPro 9.0 SP2, and Visual Basic 6.0 Runtime allows remote attackers to execute arbitrary code via a crafted (1) document or (2) web page that triggers system-state corruption, aka "MSCOMCTL.OCX RCE Vulnerability."

The CVE record's description, from microsoft

CVE published
15 August 2012
Assigned by
microsoft
CVSS
8.8 High (CVSS 3.1, from CISA-ADP)
CWE-94
Improper Control of Generation of Code ('Code Injection')
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Office: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2010-3333Stack-based Buffer OverflowMicrosoft OfficePatch this weekMetasploit module; EPSS 0.89; verified Exploit-DB entry0.89
CVE-2016-3235OLE DLL Side LoadingMicrosoft OfficePatch this weekMetasploit module; verified Exploit-DB entry0.43
CVE-2017-11882Memory CorruptionMicrosoft OfficePatch this weekRansomware use; Metasploit module; EPSS 0.990.99
CVE-2026-21509Security Feature BypassMicrosoft OfficePatch this weekEPSS 0.710.71
CVE-2009-0556PowerPoint Code InjectionMicrosoft OfficePatch this weekEPSS 0.670.67
CVE-2023-23397Outlook Privilege EscalationMicrosoft OfficePatch this weekEPSS 0.970.97
CVE-2009-0563Buffer OverflowMicrosoft OfficePatch this weekEPSS 0.630.63
CVE-2013-1331Buffer OverflowMicrosoft OfficePatch this weekEPSS 0.800.80
CVE-2015-2545Malformed EPS FileMicrosoft OfficePatch this weekEPSS 0.860.86
CVE-2016-7193Memory CorruptionMicrosoft OfficePatch this weekEPSS 0.580.58

All 29 entries for Office

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