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CVE-2007-0671 — Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and…

Key facts

CVE-2007-0671 is a High (8.8) vulnerability: Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and…. This entry ships a detection-only PoC and a Docker test lab. It is on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2025-08-12), confirming active exploitation in the wild.

Actively exploited — on the CISA KEV catalog

CVE-2007-0671 is listed on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2025-08-12), confirming exploitation in the wild. Federal remediation deadline: 2025-09-02. Prioritise patching and deploy the detection and prevention rules below.
CVE CVE-2007-0671
Severity High (8.8)
CISA KEV Actively exploited (added 2025-08-12)
Detection / prevention —
PoC poc.py
Source 2007/CVE-2007-0671/

Details

English | 한국어

Description

Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and possibly other Office products, allows remote user-assisted attackers to execute arbitrary code via unknown attack vectors, as demonstrated by Exploit-MSExcel.h in targeted zero-day attacks.

Vulnerability Details

Property Value
CVE ID CVE-2007-0671
CVSS Score 8.8

Proof of Concept

Download

# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2007/CVE-2007-0671/poc.py

Usage

# Run PoC against target
python3 poc.py --target <TARGET_URL>

# With authentication
python3 poc.py --target <TARGET_URL> --username <USER> --password <PASS>

⚠️ Warning: This PoC is for authorized security testing only. It uses detection-only techniques and does not exploit or damage target systems.

Test Lab

This repository includes a Docker-based test environment with both vulnerable and patched applications.

Quick Start

# Clone and navigate to CVE directory
cd CVE-2007-0671

# Start both applications
docker-compose up -d

# Run tests
./run-tests.sh    # Linux/Mac
./run-tests.ps1   # Windows PowerShell

Application Endpoints

Application URL Status
Vulnerable App http://localhost:8080 Shows vulnerability
Patched App http://localhost:8081 Demonstrates fix

Directory Structure

├── README.md           # English documentation
├── README_KO.md        # Korean documentation
├── poc.py              # PoC detection script
├── docker-compose.yml  # Container orchestration
├── run-tests.sh        # Linux/Mac test runner
├── run-tests.ps1       # Windows test runner
├── vulnerable-app/     # Vulnerable version
│   ├── app.py
│   ├── Dockerfile
│   └── requirements.txt
└── patched-app/        # Fixed version
    ├── app.py
    ├── Dockerfile
    └── requirements.txt

References

  • http://osvdb.org/31901
  • http://secunia.com/advisories/24008
  • http://securitytracker.com/id?1017584
  • http://vil.nai.com/vil/content/v_141393.htm
  • http://www.avertlabs.com/research/blog/?p=191
  • http://www.kb.cert.org/vuls/id/613740
  • http://www.microsoft.com/technet/security/advisory/932553.mspx
  • http://www.securityfocus.com/bid/22383
  • http://www.us-cert.gov/cas/techalerts/TA07-044A.html
  • http://www.vupen.com/english/advisories/2007/0463
  • https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-015
  • https://exchange.xforce.ibmcloud.com/vulnerabilities/32178
  • https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A301
  • http://osvdb.org/31901
  • http://secunia.com/advisories/24008
  • http://securitytracker.com/id?1017584
  • http://vil.nai.com/vil/content/v_141393.htm
  • http://www.avertlabs.com/research/blog/?p=191
  • http://www.kb.cert.org/vuls/id/613740
  • http://www.microsoft.com/technet/security/advisory/932553.mspx
  • http://www.securityfocus.com/bid/22383
  • http://www.us-cert.gov/cas/techalerts/TA07-044A.html
  • http://www.vupen.com/english/advisories/2007/0463
  • https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-015
  • https://exchange.xforce.ibmcloud.com/vulnerabilities/32178
  • https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A301
  • https://learn.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-015
  • https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2007-0671

Generated by PoC Generator on 2026-07-11T20:16:16.08672629

Frequently asked questions

What is CVE-2007-0671?

CVE-2007-0671 is a High (8.8) vulnerability: Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and…. This entry ships a detection-only PoC and a Docker test lab. It is on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2025-08-12), confirming active exploitation in the wild.

How do I detect CVE-2007-0671?

Run the detection-only PoC included with this entry against your Docker test lab to confirm whether a target is affected; pair it with your own IDS logging.

How do I block or mitigate CVE-2007-0671?

Upgrade to a fixed version per the vendor advisory; the NVD record lists the affected versions. Use the included PoC to verify your remediation.

Is CVE-2007-0671 actively exploited?

Yes. CVE-2007-0671 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2025-08-12, which means it has been exploited in the wild. CISA set a federal remediation deadline of 2025-09-02. Prioritise patching and deploy the detection and prevention rules above.

For authorized security testing and research only. See the full source and NVD record.