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CVE-2014-0322 — Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote…

Key facts

CVE-2014-0322 is a High (8.8) vulnerability: Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote…. This entry ships a detection-only PoC and a Docker test lab. It is on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2022-05-04), confirming active exploitation in the wild.

Actively exploited — on the CISA KEV catalog

CVE-2014-0322 is listed on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2022-05-04), confirming exploitation in the wild. Federal remediation deadline: 2022-05-25. Prioritise patching and deploy the detection and prevention rules below.
CVE CVE-2014-0322
Severity High (8.8)
CISA KEV Actively exploited (added 2022-05-04)
Detection / prevention —
PoC poc.py
Source 2014/CVE-2014-0322/

Details

English | 한국어

Description

Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via vectors involving crafted JavaScript code, CMarkup, and the onpropertychange attribute of a script element, as exploited in the wild in January and February 2014.

Vulnerability Details

Property Value
CVE ID CVE-2014-0322
CVSS Score 8.8

Proof of Concept

Download

# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2014/CVE-2014-0322/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-2014-0322

# 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://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx
  • http://technet.microsoft.com/security/advisory/2934088
  • http://twitter.com/nanoc0re/statuses/434251658344673281
  • http://www.exploit-db.com/exploits/32851
  • http://www.exploit-db.com/exploits/32904
  • http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html
  • http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html
  • http://www.kb.cert.org/vuls/id/732479
  • http://www.osvdb.org/103354
  • https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012
  • https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip
  • http://community.websense.com/blogs/securitylabs/archive/2014/02/13/msie-0-day-exploit-cve-2014-0322-possibly-targeting-french-aerospace-organization.aspx
  • http://technet.microsoft.com/security/advisory/2934088
  • http://twitter.com/nanoc0re/statuses/434251658344673281
  • http://www.exploit-db.com/exploits/32851
  • http://www.exploit-db.com/exploits/32904
  • http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html
  • http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html
  • http://www.kb.cert.org/vuls/id/732479
  • http://www.osvdb.org/103354
  • https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-012
  • https://www.dropbox.com/s/pyxjgycmudirbqe/CVE-2014-0322.zip
  • https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0322

Generated by PoC Generator on 2026-07-11T13:16:55.022060938

Frequently asked questions

What is CVE-2014-0322?

CVE-2014-0322 is a High (8.8) vulnerability: Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote…. This entry ships a detection-only PoC and a Docker test lab. It is on the CISA Known Exploited Vulnerabilities (KEV) catalog (added 2022-05-04), confirming active exploitation in the wild.

How do I detect CVE-2014-0322?

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-2014-0322?

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-2014-0322 actively exploited?

Yes. CVE-2014-0322 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2022-05-04, which means it has been exploited in the wild. CISA set a federal remediation deadline of 2022-05-25. Prioritise patching and deploy the detection and prevention rules above.

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