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CVE-2008-4259

39
FAUCET Score

CVE-2008-4259 describes a critical memory corruption vulnerability in Microsoft Internet Explorer 7, affecting various Windows operating systems. This flaw allows remote attackers to execute arbitrary code by enticing a user to open a specially crafted HTML document that triggers uninitialized memory access, often related to WebDAV requests with long filenames. With a CVSS score of 9.3, it represents a high-severity threat with complete confidentiality, integrity, and availability impacts, requiring medium attack complexity. Despite its age and high risk score, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.01CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:5.01:sp4:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:*
7CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*

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
32.66%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3266 is in the 95th percentile among its peer group of 8,920 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, 0.1 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/2008/ms08-073
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5706
securityfocus.com / archive/1/499065/100/0/threaded
securitytracker.com / id
us-cert.gov / cas/techalerts/TA08-344A.html
US Government Resource
vupen.com / english/advisories/2008/3385
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-08-087
zerodayinitiative.com / advisories/ZDI-08-087