Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2006-3439

86
FAUCET Score

CVE-2006-3439 describes a critical buffer overflow vulnerability in the Server Service of Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1. This flaw allows remote, unauthenticated attackers to execute arbitrary code by sending a specially crafted RPC message. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication and having a low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While not on the KEV catalog, multiple public exploits, including Metasploit modules and ExploitDB entries, are readily available, indicating a high potential for exploitation despite limited community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:sp4:*:fr:*:*:*:*
64-bitCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:64-bit:*:*:*:*:*:*:*
itaniumCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:itanium:*:*:*:*:*:*:*
r2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:r2:*:*:*:*:*:*:*
sp1CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:sp1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
84.96%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: MS06-040 Microsoft Server Service NetpwPathCanonicalize Overflow · Aug 8, 2006
ExploitDB: EDB-16367 · Feb 17, 2011
This CVE's current EPSS score of 0.8496 is in the 100th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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/2006/ms06-040
secunia.com / advisories/21388
PatchVendor Advisory
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/28002
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A492
cisco.com / en/US/products/ps6120/tsd_products_security_response09186a008070c75a.html
dhs.gov / dhspublic/display
kb.cert.org / vuls/id/650769
PatchUS Government Resource
securityfocus.com / bid/19409
us-cert.gov / cas/techalerts/TA06-220A.html
PatchUS Government Resource
vupen.com / english/advisories/2006/3210