Microsoft Windows CVE-2017-8493 Local Security Bypass Vulnerability

Description

Microsoft Windows is prone to a local security-bypass vulnerability. A local attacker can exploit this issue to bypass certain security restrictions and perform unauthorized actions; this may aid in launching 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 8.1 for 32-bit Systems
• Microsoft Windows 8.1 for x64-based Systems
• Microsoft Windows RT 8.1
• Microsoft Windows Server 2012 R2
• Microsoft Windows Server 2016

Recommendations

Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
Allow only trusted individuals to have user accounts and local access to the resources.

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