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Vulnerability record · CVE-2007-1239 · published 3 March 2007

CVE-2007-1239: Microsoft excel vulnerability

Microsoft · Excel

Microsoft Excel 2003 does not properly parse .XLS files, which allows remote attackers to cause a denial of service (application crash) via a file with a (1) corrupted XML format or a (2) corrupted XLS format, which triggers a NULL pointer dereference.

4.3 CVSS 2.0 Medium EPSS 12% · top 4.1%
4.3CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Microsoft Excel 2003 does not properly parse .XLS files, which allows remote attackers to cause a denial of service (application crash) via a file with a (1) corrupted XML format or a (2) corrupted XLS format, which triggers a NULL pointer dereference.

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

Affected products

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

References

LinkTags
http://securityvulns.com/news/Microsoft/Excel/XML/DoS.html Exploit
http://www.securityfocus.com/archive/1/461373/100/0/threaded
http://www.securityfocus.com/bid/22717
http://securityvulns.com/news/Microsoft/Excel/XML/DoS.html Exploit
http://www.securityfocus.com/archive/1/461373/100/0/threaded
http://www.securityfocus.com/bid/22717

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2007-1239), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.