Office Web Components vulnerabilitiesAnd the versions its exploited flaws hit.
Office Web Components is made by Microsoft. We track 13 published vulnerabilities in it, across 4 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 3 March 2022. If you run Office Web Components, check your version against the exploited flaws below and patch those first.
The most recent Office Web Components flaw added to the known-exploited list is CVE-2012-1856, on 3 March 2022. We keep watching the known-exploited list.
Which versions of Office Web Components do the exploited flaws hit?
Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.
- CVE-2012-1856Exploited list, 3 Mar 2022
Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability
2003-sp3 - CVE-2012-0158Exploited list, 3 Nov 2021
Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability
2003-sp3
Which Office Web Components vulnerabilities are being exploited?
2 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 8.8Microsoft Office MSCOMCTL.OCX Remote Code Execution Vulnerability
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.
- 8.8Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability
Microsoft MSCOMCTL.OCX contains an unspecified vulnerability that allows for remote code execution, allowing an attacker to take complete control of an affected system under the context of the current user.
Which Office Web Components flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 52%CVE-2009-1534Critical
Buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2000 Web Components SP3, Office XP Web Components SP3, BizTalk Server 2002, and Visual Studio .NET 2003 SP1 allows...
- 40%CVE-2006-4695Critical
Unspecified vulnerability in certain COM objects in Microsoft Office Web Components 2000 allows user-assisted remote attackers to execute arbitrary code via a crafted URL, aka "Office Web Components URL Parsing...
- 29%CVE-2009-2496Critical
Heap-based buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for...
- 26%CVE-2009-0562Critical
The Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office...
- 23%CVE-2002-1338Medium
The Load method in the Chart component of Office Web Components (OWC) 9 and 10 generates an exception when a specified file does not exist, which allows remote attackers to determine the existence of local files.
- 19%CVE-2002-0727High
The Host function in Microsoft Office Web Components (OWC) 2000 and 2002 is exposed in components that are marked as safe for scripting, which allows remote attackers to execute arbitrary commands via the setTimeout...
- 19%CVE-2002-0860Medium
The LoadText method in the spreadsheet component in Microsoft Office Web Components (OWC) 2000 and 2002 allows remote attackers to read arbitrary files through Internet Explorer via a URL that redirects to the target...
Running Office Web Components? We'll keep checking.
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1 flaw being exploited affects software Acme tracks
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.
- Matched to
- Office Web Components on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 13 published vulnerabilities listed under the name Office Web Components, across 4 versions. The most recent Office Web Components flaw added to the known-exploited list is CVE-2012-1856, on 3 March 2022.
2 are on the list of flaws known to be exploited. The most recently added are CVE-2012-1856 and CVE-2012-0158.
Each flaw names its own versions, usually as ranges. The newest, CVE-2012-1856, affects 2003-sp3. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Office Web Components. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.