CVE-2009-2433

Exp

Stack-based buffer overflow in the AddFavorite method in Microsoft Internet Explorer allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a long URL in the first argument.

Published: 2009-07-10 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-2433 is rated High Exploit Risk (67/100): CVSS Medium severity, with high exploitation likelihood (EPSS 18.94%, 97th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-2433

EDB-ID Source Kind Published Link
9100 exploit_db edb 2009-07-09 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2433

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 18.06% 18.94% +0.88%
2 2026-01-26 16.41% 18.06% +1.64%
3 2025-11-29 — 16.41% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2433

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2009-2433

Affected software / configurations for CVE-2009-2433

Vendor Product Version Raw CPE
microsoft ie 8.0b cpe:2.3:a:microsoft:ie:8.0b:*:*:*:*:*:*:*
microsoft internet_explorer 7 cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
microsoft internet_explorer 7.0 cpe:2.3:a:microsoft:internet_explorer:7.0:*:*:*:*:*:*:*
microsoft internet_explorer 7.0 cpe:2.3:a:microsoft:internet_explorer:7.0:beta:*:*:*:*:*:*
microsoft internet_explorer 7.0 cpe:2.3:a:microsoft:internet_explorer:7.0:beta1:*:*:*:*:*:*
microsoft internet_explorer 7.0 cpe:2.3:a:microsoft:internet_explorer:7.0:beta2:*:*:*:*:*:*
microsoft internet_explorer 7.0 cpe:2.3:a:microsoft:internet_explorer:7.0:beta3:*:*:*:*:*:*
microsoft internet_explorer 7.0.5730 cpe:2.3:a:microsoft:internet_explorer:7.0.5730:unknown:gold:*:*:*:*:*
microsoft internet_explorer 7.0.5730.11 cpe:2.3:a:microsoft:internet_explorer:7.0.5730.11:*:*:*:*:*:*:*
microsoft internet_explorer 7.00.5730.1100 cpe:2.3:a:microsoft:internet_explorer:7.00.5730.1100:*:*:*:*:*:*:*
microsoft internet_explorer 7.00.6000.16386 cpe:2.3:a:microsoft:internet_explorer:7.00.6000.16386:*:*:*:*:*:*:*
microsoft internet_explorer 7.00.6000.16441 cpe:2.3:a:microsoft:internet_explorer:7.00.6000.16441:*:*:*:*:*:*:*
microsoft internet_explorer 8.0.6001 cpe:2.3:a:microsoft:internet_explorer:8.0.6001:*:*:*:*:*:*:*
microsoft internet_explorer 8.0.6001 cpe:2.3:a:microsoft:internet_explorer:8.0.6001:beta:*:*:*:*:*:*

References for CVE-2009-2433

cvelogic Threat Intelligence