Microsoft Windows Kernel ‘Win32k.sys’ CVE-2017-8581 Local Privilege Escalation Vulnerability

by CIRT Team

Description: Win32k in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation of privilege vulnerability when it fails to properly handle objects in memory, aka “Win32k Elevation of Privilege Vulnerability”. This CVE ID is unique from CVE-2017-8578, CVE-2017-8580, CVE-2017-8577, and CVE-2017-8467.

Impact:  A local attacker can exploit this issue to gain elevated privileges.

Mitigation: Updates are available. Please check specific vendor advisory for more information.

Reference URL’s:

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8581
• http://www.securityfocus.com/bid/99423/info
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8581

CIRT Team