CVE-2008-1434
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…
- 9.3HighCVSS base score
- 30.9%Exploitation in 30 daysEPSS · top 1.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By microsoft
- 53 days later
· 53 days later
Published
- 16 years later
· 16 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 30.9% · top 1.7% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
9
- 1020014 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- MS08-026 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- ADV-2008-1504 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20080513 Microsoft Word CSS Processing Memory Corruption Vulnerability (opens in a new tab)third-party-advisoryx_refsource_IDEFENSEx_transferred
- SSRT080071 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- 30143 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- TA08-134A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 29105 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- oval:org.mitre.oval:def:5012 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2008-1438 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2008-1434)Record last updated .