Executive Risk Summary
"A remote code execution vulnerability exists in Microsoft Office Excel due to an invalid object access attempt. This vulnerability can be exploited by a crafted Excel document, allowing an attacker to execute arbitrary code."
Anticipated Attack Path
- 1. Initial Exploitation: Crafted Excel document sent to victim
- 2. Privilege Escalation: Arbitrary code execution on the victim's system
- 3. Lateral Movement: Potential spread of malware or further exploitation
Am I Vulnerable?
- Verify Microsoft Office Excel version and patch level
- Check for suspicious Excel documents or attachments
- Monitor system logs for signs of exploitation or malicious activity
Operational Audit Arsenal
Target Type Process
Target Asset excel.exe
Standard Path C:\Program Files\Microsoft Office\Office\excel.exe
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: excel.exe (Process)
$Targets = 'excel.exe'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")
Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue |
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}Patch Impact Forecast
Reboot Required Likely
Minimal to Moderate
Internal Work Notes
Apply MS09-009 patch to vulnerable Microsoft Office Excel installations to prevent remote code execution exploitation.
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
Official Advisoryhttp://blogs.zdnet.com/security/?p=2658
Official Advisoryhttp://isc.sans.org/diary.html?storyid=5923
Official Advisoryhttp://securitytracker.com/id?1021744
MSRC Advisoryhttp://www.microsoft.com/technet/security/advisory/968272.mspx
Official Advisoryhttp://www.securityfocus.com/bid/33870
Official Advisoryhttp://www.symantec.com/business/security_response/writeup.jsp?docid=2009-022310-4202-99
Official Advisoryhttp://www.us-cert.gov/cas/techalerts/TA09-104A.html
Official Advisoryhttp://www.vupen.com/english/advisories/2009/1023
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009
Official Advisoryhttps://exchange.xforce.ibmcloud.com/vulnerabilities/48875
Official Advisoryhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5968
Official Advisoryhttp://blogs.zdnet.com/security/?p=2658
Official Advisoryhttp://isc.sans.org/diary.html?storyid=5923
Official Advisoryhttp://securitytracker.com/id?1021744
MSRC Advisoryhttp://www.microsoft.com/technet/security/advisory/968272.mspx
Official Advisoryhttp://www.securityfocus.com/bid/33870
Official Advisoryhttp://www.symantec.com/business/security_response/writeup.jsp?docid=2009-022310-4202-99
Official Advisoryhttp://www.us-cert.gov/cas/techalerts/TA09-104A.html
Official Advisoryhttp://www.vupen.com/english/advisories/2009/1023
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009
Official Advisoryhttps://exchange.xforce.ibmcloud.com/vulnerabilities/48875
Official Advisoryhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5968
Official Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0238
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.