CVE-2006-3431

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 28.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-07-07 · updated 2026-06-16

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.

Affected products

Microsoft Excel 2013 Service Pack 1: all versions

References

http://marc.info/?l=bugtraq&m=115274676314243&w=2
http://secunia.com/advisories/20268
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
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

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