CVE-2009-3129 kev in the critical feed json
Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Offi…
published 2009-11-11 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3112
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-03-03
- epss
- 84.0%
- EPSS 84.0% chance of exploitation in 30 days, percentile 99.6%
- public exploits
- 3
- Metasploit, Exploit-DB
Summary
Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003 SP3; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a spreadsheet with a FEATHEADER record containing an invalid cbHdrData size element that affects a pointer offset, aka "Excel Featheader Record Memory Corruption Vulnerability."
Patch / fix
cisa required action Apply updates per vendor instructions.
Timeline
- First public exploit (Metasploit exploit/windows/fileformat/ms09_067_excel_featheader)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 4 y ago
- Patch by
- 2022-03-24 (4 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Microsoft, Excel
- CISA name
- Microsoft Excel Featheader Record Memory Corruption Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
84.03% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/windows/fileformat/ms09_067_excel_featheader MS09-067 Microsoft Excel Malformed FEATHEADER Record Vulnerability metasploit exploit, good rank, 2009-11-10
- EDB-16625 Microsoft Excel - Malformed FEATHEADER Record (MS09-067) (Metasploit) local, 2010-09-25
- EDB-14706 Microsoft Excel - FEATHEADER Record (MS09-067) local, 2010-08-21
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2009/ms09-067
vendor-advisory, patch
-
exploit-db.com
/exploits/14706
exploit, third-party-advisory, vdb-entry
-
osvdb.org
/59860
vdb-entry, broken-link
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6521
vdb-entry, signature, broken-link
-
securitytracker.com
/id?1023157
vdb-entry, broken-link, third-party-advisory
-
securityfocus.com
/bid/36945
vdb-entry, broken-link, third-party-advisory
-
us-cert.gov
/cas/techalerts/TA09-314A.html
third-party-advisory, us-government-resource
-
labs.idefense.com
/intelligence/vulnerabilities/display.php?id=832
third-party-advisory, broken-link
-
archives.neohapsis.com
/archives/bugtraq/2009-11/0080.html
mailing-list, broken-link
-
zerodayinitiative.com
/advisories/ZDI-09-083
third-party-advisory, vdb-entry
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-3129
government-resource, us-government-resource
Sources
- CVE List CVE-2009-3129
- NVD CVE-2009-3129
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.