← Vulnerability feed

Vulnerability record · CVE-2006-3431 · published 7 July 2006

CVE-2006-3431: Microsoft excel vulnerability

Microsoft · Excel

Buffer overflow in certain Asian language versions of Microsoft Excel might allow user-assisted attackers to execute arbitrary code via a crafted STYLE record in a spreadsheet that triggers the overflow when the user attempts to repair the document or selects the "Style" option, as demonstrated by nanika.xls. NOTE: Microsoft has confirmed to CVE via e-mail that this is different than the other Excel vulnerabilities announced before 20060707, including CVE-2006-3059 and CVE-2006-3086.

7.5 CVSS 2.0 High EPSS 28% · top 1.9%
7.5CVSS 2.0 base score
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer overflow in certain Asian language versions of Microsoft Excel might allow user-assisted attackers to execute arbitrary code via a crafted STYLE record in a spreadsheet that triggers the overflow when the user attempts to repair the document or selects the "Style" option, as demonstrated by nanika.xls. NOTE: Microsoft has confirmed to CVE via e-mail that this is different than the other Excel vulnerabilities announced before 20060707, including CVE-2006-3059 and CVE-2006-3086.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=bugtraq&m=115274676314243&w=2
http://secunia.com/advisories/20268 Vendor Advisory
http://securitytracker.com/id?1016430
http://www.securityfocus.com/archive/1/438963/100/0/threaded
http://www.securityfocus.com/archive/1/439427/100/0/threaded
http://www.securityfocus.com/archive/1/449179/100/0/threaded
http://www.securityfocus.com/bid/18872 Exploit
http://www.vupen.com/english/advisories/2006/2689
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-059
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A431
http://marc.info/?l=bugtraq&m=115274676314243&w=2
http://secunia.com/advisories/20268 Vendor Advisory
http://securitytracker.com/id?1016430
http://www.securityfocus.com/archive/1/438963/100/0/threaded
http://www.securityfocus.com/archive/1/439427/100/0/threaded
http://www.securityfocus.com/archive/1/449179/100/0/threaded
http://www.securityfocus.com/bid/18872 Exploit
http://www.vupen.com/english/advisories/2006/2689
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-059
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A431

Track CVE-2006-3431 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2019-1297Microsoft Excel memory handling flaw allows remote code executionCVE-2019-1297 is a remote code execution vulnerability in Microsoft Excel caused by improper handling of objects in memory. An attacker who convinces…KEVEPSS 22%analysed8.8CVE-2009-0238Microsoft Excel invalid object access allows remote code executionMicrosoft Excel and related viewers (Excel 2000 through 2007, Excel Viewer, Office Compatibility Pack, and Office for Mac 2004/2008) fail to handle a…KEVEPSS 43%analysed8.8CVE-2007-0671Microsoft Excel remote code execution via malformed fileCVE-2007-0671 is an unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and possibly other Office products, that allows re…KEVEPSS 43%analysed7.8CVE-2021-42292Microsoft Excel security feature bypass via crafted fileCVE-2021-42292 is a security feature bypass in Microsoft Excel and related Office products. The record gives only a one-line description, so the exac…KEVEPSS 43%analysed7.8CVE-2016-7262Microsoft Excel security feature bypass enables command executionA crafted cell in affected Microsoft Excel and Excel Viewer versions is mishandled when a user clicks it, allowing a security feature bypass that lea…KEVEPSS 58%analysed7.8CVE-2009-3129Microsoft Excel FEATHEADER record memory corruptionMicrosoft Excel and related Office components mishandle a FEATHEADER record whose cbHdrData size element is invalid, corrupting a pointer offset and …KEVEPSS 84%analysed9.8CVE-2008-0081Microsoft Excel macro validation flaw allows remote code executionCVE-2008-0081 is an unspecified macro validation vulnerability in Microsoft Excel 2000 SP3 through 2003 SP2, Excel Viewer 2003, and Office 2004 for M…EPSS 58%analysed9.3CVE-2015-6177Microsoft excel memory buffer overflow vulnerabilityMicrosoft Excel 2007 SP3, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office docum…EPSS 14%

Source: NIST National Vulnerability Database (record CVE-2006-3431), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.