CVE-2008-1434

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 30.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-05-13 · updated 2026-06-16
Weakness: CWE-399

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.

Affected products

Microsoft Office: 2000-sp3, 2003-sp2, 2003-sp3, 2004, 2007, 2007_sp1 (+2)
Microsoft Office Compatibility Pack For Word Excel Ppt 2007: all versions
Microsoft Word Viewer: 2003

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=700
http://marc.info/?l=bugtraq&m=121129490723574&w=2
http://secunia.com/advisories/30143
http://www.securityfocus.com/bid/29105
http://www.securitytracker.com/id?1020014
http://www.us-cert.gov/cas/techalerts/TA08-134A.html
http://www.vupen.com/english/advisories/2008/1504/references
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

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