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."
Published Sep 8, 2009
9.3
HIGHCVSS 2.0
EPSS 21.21%
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."
Affected products
No data.
Configuration 1
- 9.0
- n/a
- n/a
- n/a
Configuration 2
- 9.5
- n/a
- n/a
- n/a
- n/a
Configuration 3
- 9.5
- n/a
- n/a
Configuration 4
- 11
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 5
- 9.1
- n/a
- n/a
Configuration 6
- 2008
- n/a
- n/a
- n/a
- n/a
Configuration 7
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (38 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 21.21% (0.21210) | 97.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.21% (0.21210) | 97.26th | v5 (v2026.06.15) |
| Mar 27, 2026 | 29.59% (0.29585) | 96.58th | v4 (v2025.03.14) |
| Jan 28, 2026 | 34.11% (0.34108) | 96.86th | v4 (v2025.03.14) |
| Dec 28, 2025 | 36.52% (0.36517) | 96.97th | v4 (v2025.03.14) |
| Dec 27, 2025 | 38.51% (0.38510) | 97.12th | v4 (v2025.03.14) |
| Oct 28, 2025 | 36.52% (0.36517) | 96.93th | v4 (v2025.03.14) |
| Oct 27, 2025 | 38.51% (0.38510) | 97.08th | v4 (v2025.03.14) |
| Oct 1, 2025 | 36.52% (0.36517) | 97.02th | v4 (v2025.03.14) |
| May 27, 2025 | 38.51% (0.38510) | 97.05th | v4 (v2025.03.14) |
| Mar 30, 2025 | 57.84% (0.57835) | 97.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 66.83% (0.66832) | 97.99th | v4 (v2025.03.14) |
| Mar 17, 2025 | 57.84% (0.57835) | 97.95th | v4 (v2025.03.14) |
| Jan 5, 2025 | 51.72% (0.51715) | 97.68th | v3 (v2023.03.01) |
| Dec 17, 2024 | 54.48% (0.54480) | 97.75th | v3 (v2023.03.01) |
| Dec 2, 2024 | 58.00% (0.57998) | 97.83th | v3 (v2023.03.01) |
| Oct 28, 2024 | 61.41% (0.61407) | 97.88th | v3 (v2023.03.01) |
| Sep 21, 2024 | 73.15% (0.73149) | 98.16th | v3 (v2023.03.01) |
| Aug 15, 2024 | 78.11% (0.78108) | 98.30th | v3 (v2023.03.01) |
| Apr 18, 2024 | 75.74% (0.75737) | 98.12th | v3 (v2023.03.01) |
| Mar 8, 2024 | 80.08% (0.80076) | 98.21th | v3 (v2023.03.01) |
| Jan 26, 2024 | 85.93% (0.85928) | 98.31th | v3 (v2023.03.01) |
| Dec 12, 2023 | 91.62% (0.91619) | 98.65th | v3 (v2023.03.01) |
| Oct 27, 2023 | 92.07% (0.92071) | 98.63th | v3 (v2023.03.01) |
| Sep 11, 2023 | 91.86% (0.91861) | 98.55th | v3 (v2023.03.01) |
| Jul 28, 2023 | 92.50% (0.92500) | 98.57th | v3 (v2023.03.01) |
| Jun 14, 2023 | 93.89% (0.93888) | 98.71th | v3 (v2023.03.01) |
| May 2, 2023 | 94.65% (0.94648) | 98.79th | v3 (v2023.03.01) |
| Mar 20, 2023 | 95.22% (0.95223) | 98.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.63% (0.95627) | 98.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 23.73% (0.23731) | 96.72th | v2 (v2022.01.01) |
| Feb 9, 2023 | 23.73% (0.23731) | 96.66th | v2 (v2022.01.01) |
| Dec 9, 2022 | 26.00% (0.26003) | 96.97th | v2 (v2022.01.01) |
| Oct 7, 2022 | 30.33% (0.30332) | 97.41th | v2 (v2022.01.01) |
| Aug 3, 2022 | 32.70% (0.32697) | 97.55th | v2 (v2022.01.01) |
| Jul 18, 2022 | 36.85% (0.36846) | 97.80th | v2 (v2022.01.01) |
| Jul 17, 2022 | 6.31% (0.06309) | 90.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 36.85% (0.36846) | 97.01th | v2 (v2022.01.01) |
References (3)
- http://www.us-cert.gov/cas/techalerts/TA09-251A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-047 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6257 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/cas/techalerts/TA09-251A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-047 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6257 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.