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Vulnerability record · CVE-2008-1434 · published 13 May 2008

CVE-2008-1434: Microsoft office vulnerability

Microsoft · Office

Use-after-free vulnerability in Microsoft Word in Office 2000 and XP SP3, 2003 SP2 and SP3, and 2007 Office System SP1 and earlier allows remote attackers to execute arbitrary code via an HTML document with a large number of Cascading Style Sheets (CSS) selectors, related to a "memory handling error" that triggers memory corruption.

9.3 CVSS 2.0 High EPSS 31% · top 1.8% CWE-399 · CWE-399
9.3CVSS 2.0 base score
31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in Microsoft Word in Office 2000 and XP SP3, 2003 SP2 and SP3, and 2007 Office System SP1 and earlier allows remote attackers to execute arbitrary code via an HTML document with a large number of Cascading Style Sheets (CSS) selectors, related to a "memory handling error" that triggers memory corruption.

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

Affected products

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

References

LinkTags
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=700
http://marc.info/?l=bugtraq&m=121129490723574&w=2
http://secunia.com/advisories/30143 Vendor Advisory
http://www.securityfocus.com/bid/29105 Patch
http://www.securitytracker.com/id?1020014
http://www.us-cert.gov/cas/techalerts/TA08-134A.html US Government Resource
http://www.vupen.com/english/advisories/2008/1504/references Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-026
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5012
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=700
http://marc.info/?l=bugtraq&m=121129490723574&w=2
http://secunia.com/advisories/30143 Vendor Advisory
http://www.securityfocus.com/bid/29105 Patch
http://www.securitytracker.com/id?1020014
http://www.us-cert.gov/cas/techalerts/TA08-134A.html US Government Resource
http://www.vupen.com/english/advisories/2008/1504/references Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-026
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5012

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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-2008-1434), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.