CVE-2006-5574

Unspecified vulnerability in the Brazilian Portuguese Grammar Checker in Microsoft Office 2003 and the Multilingual Interface for Office 2003, Project 2003, and Visio 2003 allows user-assisted remote attackers to execute arbitrary code via crafted text that is not properly parsed.

Published: 2006-12-31 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-5574 is rated High Risk (66.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 23.74%, 98th 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-2006-5574

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 2026-06-15 43.53% 23.74% -19.80%
2 2025-11-11 39.55% 43.53% +3.98%
3 2025-08-28 39.55%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-5574

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-2006-5574

OS Trackers for CVE-2006-5574

vendor priority summary link
alpine CVE-2006-5574: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-5574

NVD evaluator notes for CVE-2006-5574

Solution: If a user were logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system.

Affected software / configurations for CVE-2006-5574

Vendor Product Version Raw CPE
microsoft office 2003 cpe:2.3:a:microsoft:office:2003:sp2:*:pt:*:*:*:*
microsoft office_multilingual_user_interface_pack 2003 cpe:2.3:a:microsoft:office_multilingual_user_interface_pack:2003:sp2:*:*:*:*:*:*
microsoft office_proofing_tools 2003 cpe:2.3:a:microsoft:office_proofing_tools:2003:sp2:*:*:*:*:*:*
microsoft project_multilingual_user_interface_pack 2003 cpe:2.3:a:microsoft:project_multilingual_user_interface_pack:2003:sp2:*:*:*:*:*:*
microsoft visio 2003 cpe:2.3:a:microsoft:visio:2003:sp2:multilingual_user_interface_pack:*:*:*:*:*

References for CVE-2006-5574

cvelogic Threat Intelligence