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Vulnerability record · CVE-2007-0028 · published 9 January 2007

CVE-2007-0028: Microsoft excel improper input validation vulnerability

Microsoft · Excel

Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which allows user-assisted remote attackers to execute arbitrary code via a crafted XLS file, which results in an "Improper Memory Access Vulnerability." NOTE: an early disclosure of this issue used CVE-2006-3432, but only CVE-2007-0028 should be used.

9.3 CVSS 2.0 High EPSS 33% · top 1.7% CWE-20 · Improper input validation
9.3CVSS 2.0 base score
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
24References
16 Jun 2026Last modified by NVD

Description

Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which allows user-assisted remote attackers to execute arbitrary code via a crafted XLS file, which results in an "Improper Memory Access Vulnerability." NOTE: an early disclosure of this issue used CVE-2006-3432, but only CVE-2007-0028 should be used.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/23676 Vendor Advisory
http://securitytracker.com/id?1017485
http://www.fortinet.com/FortiGuardCenter/advisory/FG-2006-30.html
http://www.fortinet.com/FortiGuardCenter/advisory/FGA-2007-01.html
http://www.kb.cert.org/vuls/id/493185 PatchUS Government Resource
http://www.osvdb.org/31249
http://www.securityfocus.com/archive/1/457274/100/0/threaded
http://www.securityfocus.com/bid/21952
http://www.us-cert.gov/cas/techalerts/TA07-009A.html US Government Resource
http://www.vupen.com/english/advisories/2007/0103 Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-002
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A768
http://secunia.com/advisories/23676 Vendor Advisory
http://securitytracker.com/id?1017485
http://www.fortinet.com/FortiGuardCenter/advisory/FG-2006-30.html
http://www.fortinet.com/FortiGuardCenter/advisory/FGA-2007-01.html
http://www.kb.cert.org/vuls/id/493185 PatchUS Government Resource
http://www.osvdb.org/31249
http://www.securityfocus.com/archive/1/457274/100/0/threaded
http://www.securityfocus.com/bid/21952
http://www.us-cert.gov/cas/techalerts/TA07-009A.html US Government Resource
http://www.vupen.com/english/advisories/2007/0103 Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-002
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A768

Track CVE-2007-0028 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.

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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-2007-0028), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.