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CVE-2006-5270

37
FAUCET Score

CVE-2006-5270 describes an integer overflow vulnerability in the Microsoft Malware Protection Engine (mpengine.dll), impacting products like Windows Live OneCare, Antigen, Defender, and Forefront Security. This flaw allows user-assisted remote attackers to execute arbitrary code through a specially crafted PDF file. With a CVSS score of 9.3, it is considered critical, requiring user interaction but offering full confidentiality, integrity, and availability compromise. Despite its high severity, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), it is not listed in CISA's KEV catalog, and it has received no significant community discussion or media coverage, suggesting it is not actively exploited in the wild.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:antigen:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:forefront_security:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:windows_defender:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:windows_live_onecare:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
30.08%
Probability of exploitation in next 30 days
EPSS Percentile
98.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.3008 is in the 93rd percentile among its peer group of 8,913 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2007/ms07-010
secunia.com / advisories/24146
kb.cert.org / vuls/id/511577
US Government Resource
osvdb.org / 31888
securityfocus.com / bid/22479
securitytracker.com / id
us-cert.gov / cas/techalerts/TA07-044A.html
US Government Resource
vupen.com / english/advisories/2007/0579