Vulnerability identifier: #VU13315
Vulnerability risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
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 Device Guard allows a local user to inject malicious code into a Windows PowerShell session. A local attacker can bypass Device Guard Code Integrity policy and execute arbitrary code on the target system with escalated privileges.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Windows: 10
Windows Server: 2016
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8221
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.