How severe is CVE-2010-1900?

CVE-2010-1900 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-1900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1900?

CVE-2010-1900 primarily affects Microsoft Word. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1900?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-1900 published?

CVE-2010-1900 was published on 2010-08-11 and last updated on 2026-06-16.

CVE-2010-1900

CVE-2010-1900 is a critical-severity vulnerability in Microsoft Word with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 40% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 40% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Word
Published: 2010-08-11
Last modified: 2026-06-16

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."

Frequently asked questions

What is CVE-2010-1900?: 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."
How severe is CVE-2010-1900?: CVE-2010-1900 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-1900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1900?: CVE-2010-1900 primarily affects Microsoft Word. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1900?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-1900 published?: CVE-2010-1900 was published on 2010-08-11 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:microsoft:word:2002:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2007:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word_viewer:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:works:9.0:*:*:*:*:*:*:*

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