$ cve CVE-2006-3431 JSON

CVE-2006-3431 EXPLOIT

7.5

HIGH · CVSS 2.0 · EPSS 28.3% (pctl 98)

Patch early

A public exploit exists.

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.

Scoring

CVSS	7.5 (HIGH, v2.0)
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS	28.32% — more likely to be exploited than 98% of all CVEs
On CISA KEV	no
Public exploit	yes
Published	2006-07-07
Last modified	2026-06-16

Affected (1)

Vendor	Product
microsoft	excel

Public exploits

Source	Title	Date
exploit-db	Microsoft Excel 2000-2004 - Style Handling and Repair Remote Code Execution	2006-07-06

References

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