CVE-2009-0558 in the critical feed json
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, allow…
published 2009-06-10 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0562
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 31.1%
- EPSS 31.1% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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."
Exploit prediction
31.07% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2009/ms09-021
vendor-advisory
-
secunia.com
/secunia_research/2009-1/
vendor-advisory
-
vupen.com
/english/advisories/2009/1540
vdb-entry
-
securityfocus.com
/archive/1/504188/100/0/threaded
mailing-list
-
securityfocus.com
/bid/35242
vdb-entry
-
securitytracker.com
/id?1022351
vdb-entry
-
osvdb.org
/54954
vdb-entry
-
us-cert.gov
/cas/techalerts/TA09-160A.html
third-party-advisory, us-government-resource
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11525
vdb-entry, signature
Sources
- CVE List CVE-2009-0558
- NVD CVE-2009-0558
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.