Office Word Viewer vulnerabilitiesAnd the versions its exploited flaws hit.

Product5 known exploited1 versions
The short answer

Office Word Viewer is made by Microsoft. We track 44 published vulnerabilities in it, across 1 version. 5 of them are on the list of flaws known to be exploited, the newest added on 8 June 2022. If you run Office Word Viewer, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Office Word Viewer flaw added to the known-exploited list is CVE-2009-0563, on 8 June 2022. We keep watching the known-exploited list.

Versions

Which versions of Office Word Viewer do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

  • CVE-2009-0563Exploited list, 8 Jun 2022

    Microsoft Office Buffer Overflow Vulnerability

    2003-sp3

4 more exploited flaws name Office Word Viewer without a version of its own, for example as the system other affected software runs on. They are in the list below.

Known exploited

Which Office Word Viewer vulnerabilities are being exploited?

5 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.

  1. 7.8
    CVE-2009-0563HighKnown exploited
    Microsoft Office Buffer Overflow Vulnerability

    Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via a Word document with a crafted tag containing an invalid length field.

    Chance of use63%Known exploited since8 Jun 2022
  2. 8.8
    CVE-2012-1889HighKnown exploited
    Microsoft XML Core Services Memory Corruption Vulnerability

    Microsoft XML Core Services contains a memory corruption vulnerability which could allow for remote code execution.

    Chance of use84%Known exploited since8 Jun 2022
  3. 7.8
    CVE-2012-2539HighKnown exploited
    Microsoft Word Remote Code Execution Vulnerability

    Microsoft Word allows attackers to execute remote code or cause a denial-of-service (DoS) via crafted RTF data.

    Chance of use53%Known exploited since28 Mar 2022
  4. 7.8
    CVE-2017-11826HighKnown exploited
    Microsoft Office Remote Code Execution Vulnerability

    A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory.

    Chance of use81%Known exploited since3 Mar 2022
  5. 8.8
    CVE-2019-0541HighKnown exploited
    Microsoft MSHTML Remote Code Execution Vulnerability

    Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.

    Chance of use53%Known exploited since3 Nov 2021
Exploit likelihood

Which Office Word Viewer 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.

50% or more10% to 49%Under 10%
  1. 84%
    CVE-2012-1889HighKnown exploited

    Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0 accesses uninitialized memory locations, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

    CVSS8.8Published13 Jun 2012
  2. 81%
    CVE-2017-11826HighKnown exploited

    Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and...

    CVSS7.8Published13 Oct 2017
  3. 53%
    CVE-2019-0541HighKnown exploited

    A remote code execution vulnerability exists in the way that the MSHTML engine inproperly validates input, aka "MSHTML Engine Remote Code Execution Vulnerability." This affects Microsoft Office, Microsoft Office Word...

    CVSS8.8Published8 Jan 2019
  4. 50%

    Windows graphics on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, Windows Server 2016, Microsoft...

    CVSS8.8Published13 Sep 2017
  5. 40%

    Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP2; Microsoft Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Word Viewer; Office Compatibility Pack for Word, Excel, and PowerPoint...

    CVSS9.3Published11 Aug 2010
Precursor Intelligence

Running Office Word Viewer? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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We track 44 published vulnerabilities listed under the name Office Word Viewer, across 1 version. The most recent Office Word Viewer flaw added to the known-exploited list is CVE-2009-0563, on 8 June 2022.

5 are on the list of flaws known to be exploited. The most recently added are CVE-2009-0563, CVE-2012-1889 and CVE-2012-2539.

Each flaw names its own versions, usually as ranges. The newest, CVE-2009-0563, affects 2003-sp3. The versions for every exploited flaw are listed on this page.

Create a Precursor Intelligence account and track Office Word Viewer. 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.