CVE-2010-1903

Microsoft Office Word 2002 SP3 and 2003 SP3, and Office Word Viewer, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a malformed record in a Word file, aka "Word HTML Linked Objects Memory Corruption Vulnerability."

Published: 2010-08-11 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-1903 is rated High Risk (66.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 42.15%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-1903

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-29 55.12% 42.15% -12.97%
2 2025-03-30 63.45% 55.12% -8.34%
3 2025-03-29 63.45%

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-1903

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2010-1903

Affected software / configurations for CVE-2010-1903

Vendor Product Version Raw CPE
microsoft word 2002 cpe:2.3:a:microsoft:word:2002:sp3:*:*:*:*:*:*
microsoft word 2003 cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*
microsoft office_word_viewer cpe:2.3:a:microsoft:office_word_viewer:*:*:*:*:*:*:*:*

References for CVE-2010-1903

cvelogic Threat Intelligence