CVE-2009-1331

Exp

Integer overflow in Microsoft Windows Media Player (WMP) 11.0.5721.5260 allows remote attackers to cause a denial of service (application crash) via a crafted .mid file, as demonstrated by crash.mid.

Published: 2009-04-17 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-1331 is rated High Exploit Risk (88.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 29.64%, 97th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.47% over the last day, indicating growing attacker interest. Mandatory action: 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-2009-1331

EDB-ID Source Kind Published Link
8445 exploit_db edb 2009-04-15 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-1331

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 2026-06-07 27.17% 29.64% +2.47%
2 2026-04-17 29.04% 27.17% -1.87%
3 2026-01-05 29.04%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1331

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-1331

Affected software / configurations for CVE-2009-1331

Vendor Product Version Raw CPE
microsoft windows_media_player 11.0.5721.5260 cpe:2.3:a:microsoft:windows_media_player:11.0.5721.5260:*:*:*:*:*:*:*

References for CVE-2009-1331

cvelogic Threat Intelligence