CVE-2013-3127

The Microsoft WMV video codec in wmv9vcm.dll, wmvdmod.dll in Windows Media Format Runtime 9 and 9.5, and wmvdecod.dll in Windows Media Format Runtime 11 and Windows Media Player 11 and 12 allows remote attackers to execute arbitrary code via a crafted media file, aka "WMV Video Decoder Remote Code Execution Vulnerability."

Published: 2013-07-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-3127 is rated High Risk (66.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 21.91%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2013-3127

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 35.51% 21.91% -13.60%
2 2025-10-18 45.34% 35.51% -9.84%
3 2025-04-25 — 45.34% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-3127

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-2013-3127

Affected software / configurations for CVE-2013-3127

Vendor Product Version Raw CPE
microsoft windows_media_format_runtime 9 cpe:2.3:a:microsoft:windows_media_format_runtime:9:*:*:*:*:*:*:*
microsoft windows_media_format_runtime 9.5 cpe:2.3:a:microsoft:windows_media_format_runtime:9.5:*:*:*:*:*:*:*
microsoft windows_media_format_runtime 11 cpe:2.3:a:microsoft:windows_media_format_runtime:11:*:*:*:*:*:*:*
microsoft windows_media_player 11 cpe:2.3:a:microsoft:windows_media_player:11:*:*:*:*:*:*:*
microsoft windows_media_player 12 cpe:2.3:a:microsoft:windows_media_player:12:*:*:*:*:*:*:*

References for CVE-2013-3127

cvelogic Threat Intelligence