Buffer overflow in Microsoft Office Word 2000 SP3, 2002 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File For
Noroxi assessment
Priority: Plan (action score 49/100)
- Public proof-of-concept code exists (Exploit-DB); there is no record of exploitation in the wild.
- Probability of exploitation in the next 30 days: 40.5% (FIRST EPSS); higher than 98.6% of all records.
- According to the record, no fixed version is available yet.
Add it to your regular patch cycle. Update when a fix is released; follow the vendor's advisory.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
Buffer overflow in Microsoft Office Word 2000 SP3, 2002 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a Word document with a malformed record that triggers memory corruption, aka "Word Buffer Overflow Vulnerability."
- Published
- Jun 10, 2009
- Updated
- Jun 16, 2026
- EPSS
- 40.5% · 98th percentile
- CWE
- CWE-119
Report tools
Action score
49
Plan
Add it to your regular patch cycle.
- CVSS
- 37 / 40 · 9.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 12 / 30 · 40.5%
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- Proof of concept exists, no weaponized module
- No fixed version yet
If any of these changes, we'll tell you in the daily email digest.
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Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| microsoft | office | cpe:2.3:a:microsoft:office |
| microsoft | office compatibility pack for word excel ppt 2007 | cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007 |
| microsoft | office word | cpe:2.3:a:microsoft:office_word |
| microsoft | office word viewer | cpe:2.3:a:microsoft:office_word_viewer |
| microsoft | open xml file format converter | cpe:2.3:a:microsoft:open_xml_file_format_converter |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft office2004
- microsoft office2008
- microsoft office compatibility pack for word excel ppt 2007all versions
- microsoft office word2000
- microsoft office word2002
- microsoft office word2003
- microsoft office word2007
- microsoft office word viewerall versions
- microsoft office word viewer2003
- microsoft open xml file format converterall versions
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2012-0158The (1) ListView, (2) ListView2, (3) TreeView, and (4) TreeView2 ActiveX controls in MSCOMCTL.OCX in the Common Controls in Microsoft OfficeKEV95Now
- CVE-2018-0798Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allows a remote code execuKEV94Now
- CVE-2017-11882Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016 KEV91Now
Published before and after this one in the same product
- ← EarlierCVE-2009-1130May 12, 2009 · Heap-based buffer overflow in Microsoft Office PowerPoint 2002 SP3 and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows rem49Plan
- ← EarlierCVE-2009-0563Jun 10, 2009 · Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open KEV79This week
- Later →CVE-2009-1533Jun 10, 2009 · Buffer overflow in the Works for Windows document converters in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, Office 2007 SP1, 48Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×2
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | local | 2010-08-20 |
| Exploit-DB entry | local | 2011-04-16 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- First PoC+435 d
- TodayOct 21, 2026+6342 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Show all references (7 more)Show less
- securityreason.com/securityalert/8206
- www.securityfocus.com/bid/35190
- www.securitytracker.com/id?1022356
- www.us-cert.gov/cas/techalerts/TA09-160A.html
- www.vupen.com/english/advisories/2009/1546
- docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-027
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6334
Vendor advisories and official records. Exploit/PoC links are deliberately left out.