What’s Vulnerable › Vulnerabilities

CVE-2006-5270

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 30.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2007-02-13 · updated 2026-06-16

Description

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.

Affected products

• Microsoft Antigen: all versions
• Microsoft Forefront Security: all versions
• Microsoft Malware Protection Engine: all versions
• Microsoft Windows Defender: all versions
• Microsoft Windows Live Onecare: all versions

References

• http://secunia.com/advisories/24146
• http://www.kb.cert.org/vuls/id/511577
• 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
• http://www.vupen.com/english/advisories/2007/0579
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-010
• http://secunia.com/advisories/24146
• http://www.kb.cert.org/vuls/id/511577
• http://www.osvdb.org/31888
• http://www.securityfocus.com/bid/22479

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