CVE-2009-2498
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…
- 9.3HighCVSS base score
- 21.2%Exploitation in 30 daysEPSS · top 2.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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."
Timeline
ID reserved
By microsoft
- 53 days later
· 53 days later
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 21.2% · top 2.4% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
References3
- MS09-047 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- TA09-251A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- oval:org.mitre.oval:def:6257 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-2493 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-2498)Record last updated .