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CVE-2006-3639

34
FAUCET Score

CVE-2006-3639 describes a critical vulnerability in Microsoft Internet Explorer versions 5.01 and 6, where improper domain zone identification during redirects allows attackers to read cross-domain web pages and potentially execute arbitrary code. With a CVSS score of 7.5 and a FAUCET Risk Score of 96/100, this flaw is easily exploitable over the network with low complexity, posing a significant risk of confidentiality, integrity, and availability compromise. Despite its age and high risk, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not currently a target for attackers.

Impacted Technologies

VendorProductVersion(s)CPE
6CPE matchmatch criteria
cpe:2.3:a:microsoft:ie:6:windows_server_2003_sp1:*:*:*:*:*:*
5.01CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:5.01:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
32.36%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.3236 is in the 97th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

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/ms06-042
secunia.com / advisories/21396
securitytracker.com / id
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A577
kb.cert.org / vuls/id/252764
PatchUS Government Resource
osvdb.org / 27851
securityfocus.com / bid/19400
us-cert.gov / cas/techalerts/TA06-220A.html
PatchUS Government Resource
vupen.com / english/advisories/2006/3212