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-2009-2433

30
FAUCET Score

CVE-2009-2433 describes a stack-based buffer overflow vulnerability in the AddFavorite method of Microsoft Internet Explorer. This flaw allows remote attackers to trigger a denial of service (application crash) and potentially other unspecified impacts by supplying an excessively long URL as the first argument. With a CVSS score of 4.3, this vulnerability is of medium severity, requiring user interaction (e.g., clicking a malicious link) for exploitation. While not currently on the KEV catalog or actively exploited, a Proof-of-Concept (PoC) exploit is available on ExploitDB, though there is minimal community discussion or media coverage surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
8.0bCPE matchmatch criteria
cpe:2.3:a:microsoft:ie:8.0b:*:*:*:*:*:*:*
7CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:7.0:beta:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:7.0:beta1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
18.94%
Probability of exploitation in next 30 days
EPSS Percentile
97.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-9100 · Jul 9, 2009
This CVE's current EPSS score of 0.1894 is in the 97th percentile among its peer group of 19,958 CVEs.

Social Chatter

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

Remediation

Remediation records are not available for this CVE.

References

oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12829
exploit-db.com / exploits/9100
securityfocus.com / bid/35620