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-2006-0564

75
FAUCET Score

CVE-2006-0564 describes a stack-based buffer overflow vulnerability in Microsoft HTML Help Workshop 4.74.8702.0 and earlier versions, including the HTML Help 1.4 SDK. This flaw allows attackers to execute arbitrary code by supplying a specially crafted .hhp file with an overly long Contents file field. The vulnerability has a CVSS score of 7.5, indicating high severity, and is easily exploitable over the network with low attack complexity, potentially leading to full compromise of confidentiality, integrity, and availability. Its EPSS score of 0.81029 further highlights its high exploitability. While not on the KEV catalog, multiple public exploits exist, including Metasploit modules and several ExploitDB entries demonstrating denial of service and local buffer overflow attacks. Despite the availability of exploit code, there is no recorded community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.4CPE matchmatch criteria
cpe:2.3:a:microsoft:html_help:1.4:*:sdk:*:*:*:*:*
4.74.8702.0CPE matchmatch criteria
cpe:2.3:a:microsoft:html_help_workshop:4.74.8702.0:*:*:*:*:*:*:*

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
71.70%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: HTML Help Workshop 4.74 (hhp Project File) Buffer Overflow · Feb 6, 2006
ExploitDB: EDB-16683 · Sep 25, 2010
This CVE's current EPSS score of 0.7170 is in the 99th percentile among its peer group of 51,485 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

secunia.com / advisories/18740
Vendor Advisory
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/24481
users.pandora.be / bratax/advisories/b008.html
kb.cert.org / vuls/id/124460
US Government Resource
osvdb.org / 22941
vupen.com / english/advisories/2006/0446