CVE-2015-6131Windows 7 Vulnerability
Windows Media Center in Microsoft Windows Vista SP2, Windows 7 SP1, Windows 8, and Windows 8.1 allows remote attackers to execute arbitrary code via a crafted .mcl file, aka "Media Center Library Parsing RCE Vulnerability."
Published Dec 9, 2015 · Updated May 6, 2026
Key Facts
Patch immediately- CVE-2015-6131 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Windows 7 (Microsoft), Windows 8 (Microsoft), Windows 8.1 (Microsoft) and 1 more product.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 31% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
31%
Higher than 98.2% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
42/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Description
Windows Media Center in Microsoft Windows Vista SP2, Windows 7 SP1, Windows 8, and Windows 8.1 allows remote attackers to execute arbitrary code via a crafted .mcl file, aka "Media Center Library Parsing RCE Vulnerability."
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 7Microsoft | See advisory | n/a |
| Windows 8Microsoft | See advisory | n/a |
| Windows 8.1Microsoft | See advisory | n/a |
| Windows VistaMicrosoft | See advisory | n/a |
Timeline
Publicly disclosed
Dec 9, 2015
Last updated
May 6, 2026
Weakness Type
- CWE-20 Improper Input Validation
References
- advisory1034335
- patchMS15-134
- exploitExploitDB-38911
- exploit38911
FAQ
Common Questions.
Windows Media Center in Microsoft Windows Vista SP2, Windows 7 SP1, Windows 8, and Windows 8.1 allows remote attackers to execute arbitrary code via a crafted .mcl file, aka "Media Center Library Parsing RCE Vulnerability."
Affected: Windows 7 (Microsoft); Windows 8 (Microsoft); Windows 8.1 (Microsoft), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2015-6131 On Your Attack Surface?
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