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Vulnerability of Windows: privilege escalation via WebDAV

Synthesis of the vulnerability 

A local attacker can use the WebDAV client of Windows, in order to escalate his privileges.
Vulnerable products: Windows 10, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 7, Windows 8, Windows RT, Windows Vista.
Severity of this weakness: 2/4.
Creation date: 09/02/2016.
Revision date: 11/07/2016.
Références of this bulletin: 3136041, CERTFR-2016-AVI-060, CVE-2016-0051, MS16-016, VIGILANCE-VUL-18906.

Description of the vulnerability 

The Windows product implements a WebDAV (Web Distributed Authoring and Versioning) client.

However, an attacker can inject commands in the WebDAV client.

A local attacker can therefore use the WebDAV client of Windows, in order to escalate his privileges.
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This security threat impacts software or systems such as Windows 10, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 7, Windows 8, Windows RT, Windows Vista.

Our Vigil@nce team determined that the severity of this computer weakness note is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a beginner ability can exploit this computer threat alert.

Solutions for this threat 

Windows: patch for WebDAV.
A patch is indicated in information sources.
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