#VU6272 Privilege escalation in Windows and Windows Server - CVE-2017-0189

Vulnerability identifier: #VU6272

Vulnerability risk: Low

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-0189

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local user to obtain elevated privileges.

The vulnerability exists due to an error in Win32k.sys driver when handling objects in memory. A local user can execute arbitrary code with SYSTEM privileges.

Successful exploitation of the vulnerability may allow a local user to elevate his privileges on the system.

Mitigation
Install update from Microsoft website.

Vulnerable software versions

Windows: 10

Windows Server: 2016 10.0.14393.10

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0189

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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