Vulnerability identifier: #VU8781
Vulnerability risk: Low
CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: Yes
Vulnerable software:
Windows
Operating systems & Components /
Operating system
Windows Server
Operating systems & Components /
Operating system
Vendor: Microsoft
Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to an error when Windows improperly handles calls to Advanced Local Procedure Call (ALPC). A local attacker can run a specially crafted application and execute arbitrary code with SYSTEM privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Windows: 8.1 - 8.1 RT, 10
Windows Server: 2012 R2 - 2016
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11783
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. However, proof of concept for this vulnerability is available.