{"id":"CVE-2006-3431","aliases":["EUVD-2006-3427","GHSA-m272-v93v-8ggr"],"status":"published","title":"Buffer overflow in certain Asian language versions of Microsoft Excel might allow user-assisted...","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.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.2832,"percentile":0.98133,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2006-07-07T18:00:00Z","modified":"2026-06-16T22:27:03Z","exploits":[{"source":"exploitdb","id":"EDB-28189","title":"Microsoft Excel 2000-2004 - Style Handling and Repair Remote Code Execution","type":"remote","platform":"windows","date":"2006-07-06","verified":true,"url":"https://www.exploit-db.com/exploits/28189"}],"products":[{"vendor":"microsoft","product":"excel"}],"references":[{"url":"http://www.securityfocus.com/archive/1/439427/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/449179/100/0/threaded","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://secunia.com/advisories/20268","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-059","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A431","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://securitytracker.com/id?1016430","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=115274676314243\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/18872","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://www.vupen.com/english/advisories/2006/2689","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/438963/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-3431"},{"url":"https://github.com/advisories/GHSA-m272-v93v-8ggr"}],"sources":{"cve":[{"id":"CVE-2006-3431","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.","status":"published","published":"2006-07-07T18:00:00Z","modified":"2024-08-07T18:30:33.28Z","updated_at":"2026-11-02T14:33:49.62488Z"}],"euvd":[{"id":"EUVD-2006-3427","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.","status":"published","published":"2006-07-07T18:00:00Z","modified":"2024-08-07T18:30:33Z","updated_at":"2026-11-03T01:15:56.357298Z"}],"ghsa":[{"id":"GHSA-m272-v93v-8ggr","title":"Buffer overflow in certain Asian language versions of Microsoft Excel might allow user-assisted...","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.","status":"published","published":"2022-05-01T07:09:08Z","modified":"2023-01-31T05:01:31Z","updated_at":"2026-11-02T14:48:04.808361Z"}],"nvd":[{"id":"CVE-2006-3431","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.","status":"published","published":"2006-07-07T18:05:00Z","modified":"2026-06-16T22:27:03.15Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:04.288594Z"}]}}