Home/CVE/Excel in 2007 Microsoft Office System SP1 and SP2; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pac
CVE

CVE-2009-1134

Excel in 2007 Microsoft Office System SP1 and SP2; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pac

Excel in 2007 Microsoft Office System SP1 and SP2.

Microsoft Office Excel Viewer.

and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a BIFF file with a malformed Qsir (0x806) record object, aka "Record Pointer Corruption Vulnerability.".

HIGH · CVSS 9.3 EPSS 0.51075
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

6
microsoft officeall versions
microsoft office compatibility pack for word excel ppt 2007all versions
microsoft office excelall versions
microsoft office excel viewerall versions
microsoft office sharepoint serverall versions
microsoft open xml file format converterall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighCode Executed Via Office Add-in XLL File
producthighPotential Persistence Via Microsoft Office Add-In
producthighPotential Persistence Via Microsoft Office Startup Folder
producthighFile With Uncommon Extension Created By An Office Application
producthighOffice Macro File Creation From Suspicious Process
▣

Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · secure@microsoft.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD10 Jun 2009 · 06:30 PM
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://osvdb.org/54958
http://www.securityfocus.com/archive/1/504213/100/0/threaded
http://www.securityfocus.com/bid/35246
http://www.securitytracker.com/id?1022351
http://www.us-cert.gov/cas/techalerts/TA09-160A.htmlUS Government Resource
http://www.vupen.com/english/advisories/2009/1540
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin