CVE-2010-1900Office Code Injection
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 2007 File Formats SP2; and Works 9 do not properly handle…
Published Aug 11, 2010 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2010-1900 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Office (Microsoft), Office Compatibility Pack (Microsoft), Office Word Viewer (Microsoft) and 3 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 40% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
40%
Higher than 98.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
38/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Description
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 2007 File Formats SP2; and Works 9 do not properly handle malformed records in a Word file, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted file, aka "Word Record Parsing Vulnerability."
Affected Products
9 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| OfficeMicrosoft | 2004, 2008 | n/a |
| Office Compatibility PackMicrosoft | 2007-sp2 | n/a |
| Office Word ViewerMicrosoft | See advisory | n/a |
| Open XML File Format ConverterMicrosoft | See advisory | n/a |
| WordMicrosoft | 2002-sp3, 2003-sp3, 2007-sp2 | n/a |
Timeline
Publicly disclosed
Aug 11, 2010
Last updated
Apr 28, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- exploitExploitDB-14971
- otherMS10-056
- otheroval:org.mitre.oval:def:11490
- otherTA10-222A
FAQ
Common Questions.
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 2007 File Formats SP2; and Works 9 do not properly handle malformed records in a Word file, which allows…
Affected: Office (Microsoft) versions 2004, 2008; Office Compatibility Pack (Microsoft) versions 2007-sp2; Office Word Viewer (Microsoft), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2010-1900 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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