CVE-2006-5270
HIGH · CVSS 9.3EPSS 30.3%EU EUVD
Integer overflow in the Microsoft Malware Protection Engine (mpengine.dll), as used by Windows Live OneCare, Antigen, Defender, and Forefront Security, allows user-assisted remote attackers to execute arbitrary code via a crafted PDF file.
Key facts
- CVSS score
- 9.3 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C- EPSS score
- 30.3% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-5255)
- Published
- February 13, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-5255 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / antigen
- microsoft / forefront security
- microsoft / malware protection engine
- microsoft / windows defender
- microsoft / windows live onecare
References
- http://secunia.com/advisories/24146
- http://www.kb.cert.org/vuls/id/511577(US Government Resource)
- http://www.osvdb.org/31888
- http://www.securityfocus.com/bid/22479
- http://www.securitytracker.com/id?1017636
- http://www.us-cert.gov/cas/techalerts/TA07-044A.html(US Government Resource)
- http://www.vupen.com/english/advisories/2007/0579
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-010
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain