CVE-2015-0011

mrxdav.sys (aka the WebDAV driver) in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to bypass an impersonation protection mechanism, and obtain privileges for redirection of WebDAV requests, via a crafted application, aka "WebDAV Elevation of Privilege Vulnerability."

Published: 2015-01-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-0011 is rated Moderate Risk (47.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.01%). Core evidence: EPSS rose +1.47% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule 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-2015-0011

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 0.54% 2.01% +1.47%
2 2025-12-28 0.63% 0.54% -0.09%
3 2025-12-27 0.63%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-0011

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.7 2.0 MEDIUM
AV:L/AC:M/Au:N/C:N/I:C/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:N)
No availability impact.
3.4 6.9 [email protected]

Weakness enumeration for CVE-2015-0011

Affected software / configurations for CVE-2015-0011

Vendor Product Version Raw CPE
microsoft windows_7 cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
microsoft windows_8 cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*
microsoft windows_8.1 cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
microsoft windows_rt cpe:2.3:o:microsoft:windows_rt:-:gold:*:*:*:*:*:*
microsoft windows_rt_8.1 cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
microsoft windows_server_2003 cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
microsoft windows_server_2008 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
microsoft windows_server_2012 cpe:2.3:o:microsoft:windows_server_2012:-:gold:*:*:*:*:*:*
microsoft windows_server_2012 r2 cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:x64:*:*

References for CVE-2015-0011

cvelogic Threat Intelligence