CVE-2009-0235

Stack-based buffer overflow in the Word 97 text converter in WordPad in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP1 and SP2 allows remote attackers to execute arbitrary code via a crafted Word 97 file that triggers memory corruption, related to use of inconsistent integer data sizes for an unspecified length field, aka "WordPad Word 97 Text Converter Stack Overflow Vulnerability."

Published: 2009-04-15 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-0235 is rated High Risk (76.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 72.26%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.57% over the last day, indicating growing attacker interest. 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-2009-0235

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 2025-12-28 67.69% 72.26% +4.57%
2 2025-12-27 72.26% 67.69% -4.57%
3 2025-11-01 72.26%

Full EPSS history (29 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0235

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-2009-0235

Affected software / configurations for CVE-2009-0235

Vendor Product Version Raw CPE
microsoft windows_2000 cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*
microsoft windows_2003_server cpe:2.3:o:microsoft:windows_2003_server:*:sp1:*:*:*:*:*:*
microsoft windows_2003_server cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
microsoft windows_xp cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*
microsoft windows_xp cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*

References for CVE-2009-0235

cvelogic Threat Intelligence