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CVE-2009-0558
Array index error in Excel in Microsoft Office 2000 SP3 and Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac,…
- 9.3HighCVSS base score
- 31.1%Exploitation in 30 daysEPSS · top 1.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Array index error in Excel in Microsoft Office 2000 SP3 and Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac, allows remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "Array Indexing Memory Corruption Vulnerability."
Timeline
ID reserved
By microsoft
- 4 months later
· 4 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)
- 31.1% · top 1.7% of all CVEs (11 Nov 2026)
Loading the EPSS history…
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
References9
- ADV-2009-1540 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20090609 Secunia Research: Microsoft Excel Record Parsing Array Indexing Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 35242 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1022351 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- MS09-021 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 54954 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- TA09-160A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- http://secunia.com/secunia_research/2009-1/ (opens in a new tab)x_refsource_MISCx_transferred
- oval:org.mitre.oval:def:11525 (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-2009-0562 (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-2009-0558)Record last updated .