{"cve":"CVE-2009-2498","nvd":{"published":"2009-09-08T22:30:00.407","modified":"2026-06-16T23:09:35.127","status":"Modified","description":"Microsoft Windows Media Format Runtime 9.0, 9.5, and 11 and Windows Media Services 9.1 and 2008 do not properly parse malformed headers in Advanced Systems Format (ASF) files, which allows remote attackers to execute arbitrary code via a crafted (1) .asf, (2) .wmv, or (3) .wma file, aka \"Windows Media Header Parsing Invalid Free Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-94"],"references":["http://www.us-cert.gov/cas/techalerts/TA09-251A.html","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-047","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6257","http://www.us-cert.gov/cas/techalerts/TA09-251A.html","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-047"],"products":["microsoft:media_foundation_sdk","microsoft:windows_2000","microsoft:windows_media_format_runtime","microsoft:windows_media_services","microsoft:windows_server_2003","microsoft:windows_server_2008","microsoft:windows_vista","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2498","score":0.2121,"percentile":0.97589,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}