Win32k Elevation of Privilege Vulnerability

1) Privilege escalation

EUVDB-ID: #VU5324

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-7215

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to gain elevated privileges on the target system.

The weakness is due to improper handling of objects in memory by win32k.sys. By running a specially crafted program, a local attacker can trigger memory corruption and execute arbitrary code with system privileges.

Successful explotation of the vulnerability results in privilege escalation.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Windows: 7 - Vista

Windows Server: 2008 - 2016 10.0.14393.10

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2016-7215

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.