Vulnerability identifier: #VU9843

Vulnerability risk: Low

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-2018-0749

CWE-ID: CWE-264

Exploitation vector: Local

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 escalate privileges on the system.

The vulnerability exists due to an unspecified error in Windows SMB Server, which allows a local user to bypass certain security checks in the operating system while trying to obtain apecially crafted file over the SMB protocol on the same machine. Successful exploitation of the vulnerability may allow an attacker to escalate privileges on the affected system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 8.1, 7, 10

Windows Server: 2008 - 2016

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0749

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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.