CVE-2009-0100
Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel in Microsoft Office 2004 and 2008 for Mac; Microsoft Office Excel…
- 9.3HighCVSS base score
- 28.8%Exploitation in 30 daysEPSS · top 1.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel in Microsoft Office 2004 and 2008 for Mac; Microsoft Office Excel Viewer and Excel Viewer 2003 SP3; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 do not properly parse the Excel spreadsheet file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet that contains a malformed object with "an offset and a two-byte value" that trigger a memory calculation error, aka "Memory Corruption Vulnerability."
Timeline
ID reserved
By microsoft
- 3 months later
· 3 months later
Published
- 15 years later
· 15 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)
- 28.8% · top 1.8% of all CVEs (9 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
8
- ADV-2009-1023 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20090415 Microsoft Office Excel Remote Memory Corruption Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- TA09-104A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- http://www.fortiguardcenter.com/advisory/FGA-2009-16.html (opens in a new tab)x_refsource_MISCx_transferred
- MS09-009 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- oval:org.mitre.oval:def:6043 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 53665 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1022039 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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-2009-0109 (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-2009-0100)Record last updated .