Microsoft Windows Device Guard CVE-2017-11823 Local Security Bypass Vulnerability

Description

Microsoft Windows is prone to a local security-bypass vulnerability. An attacker can exploit this issue to bypass certain security restrictions and perform unauthorized actions. This may aid in further attacks.

Technologies Affected

• Microsoft Windows 10 Version 1607 for 32-bit Systems
• Microsoft Windows 10 Version 1607 for x64-based Systems
• Microsoft Windows 10 for 32-bit Systems
• Microsoft Windows 10 for x64-based Systems
• Microsoft Windows 10 version 1511 for 32-bit Systems
• Microsoft Windows 10 version 1511 for x64-based Systems
• Microsoft Windows 10 version 1703 for 32-bit Systems
• Microsoft Windows 10 version 1703 for x64-based Systems
• Microsoft Windows Server 2016

Recommendations

Configure webservers to serve only specific, defined file types.
To exploit this vulnerability, an attacker requires local access to an affected computer. Grant local access for trusted and accountable users only.

Updates are available. Please see the references or vendor advisory for more information.