Word Viewer vulnerabilitiesAnd the versions its exploited flaws hit.
Word Viewer is made by Microsoft. We track 88 published vulnerabilities in it, across 1 version. 5 of them are on the list of flaws known to be exploited, the newest added on 12 August 2025. If you run Word Viewer, check your version against the exploited flaws below and patch those first.
The most recent Word Viewer flaw added to the known-exploited list is CVE-2007-0671, on 12 August 2025. We keep watching the known-exploited list.
Which versions of 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-2007-0671Exploited list, 12 Aug 2025
Microsoft Office Excel Remote Code Execution Vulnerability
2003
4 more exploited flaws name Word Viewer without a version of its own, for example as the system other affected software runs on. They are in the list below.
Which 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.
- 8.8Microsoft Office Excel Remote Code Execution Vulnerability
Microsoft Office Excel contains a remote code execution vulnerability that can be exploited when a specially crafted Excel file is opened.
- 8.8Microsoft PowerPoint Memory Corruption Vulnerability
Microsoft PowerPoint allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document.
- 7.8Microsoft Office Memory Corruption Vulnerability
Microsoft Office contains a memory corruption vulnerability which can allow for remote code execution.
- 7.8Microsoft Graphics Component Memory Corruption Vulnerability
Microsoft Graphics Component contains a memory corruption vulnerability which can allow for remote code execution.
- 7.8Microsoft Word Memory Corruption Vulnerability
Microsoft Word contains a memory corruption vulnerability which when exploited could allow for remote code execution.
Which 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.
- 58%
Microsoft Word 2007 SP2, Office 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word 2016, Word for Mac 2011, Word 2016 for Mac, Office Compatibility Pack SP3, Word Viewer, Word Automation Services on SharePoint Server...
- 49%CVE-2007-2223Critical
Microsoft XML Core Services (MSXML) 3.0 through 6.0 allows remote attackers to execute arbitrary code via the substringData method on a (1) TextNode or (2) XMLDOM object, which causes an integer overflow that leads...
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1 flaw being exploited affects software Acme tracks
Microsoft Office Excel contains a remote code execution vulnerability that can be exploited when a specially crafted Excel file is opened. This malicious file could be delivered as an email attachment or hosted on a malicious website. An attacker could leverage this vulnerability by creating a specially crafted Excel file, which, when opened, allowing an attacker to execute remote code on the affected system.
- Matched to
- Word Viewer 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 88 published vulnerabilities listed under the name Word Viewer, across 1 version. The most recent Word Viewer flaw added to the known-exploited list is CVE-2007-0671, on 12 August 2025.
5 are on the list of flaws known to be exploited. The most recently added are CVE-2007-0671, CVE-2015-2424 and CVE-2016-7193.
Each flaw names its own versions, usually as ranges. The newest, CVE-2007-0671, affects 2003. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track 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.