Security restrictions bypass in Microsoft Windows and Windows Server - CVE-2017-11823
Published: October 10, 2017 / Updated: September 14, 2018
Vulnerability identifier: #VU8758
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-11823
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local attacker to bypass security restrictions on the target system.
The weakness exists Device Guard when PowerShell exposes functions and processes user supplied code. A local attacker can inject malicious code into a Windows PowerShell session and bypass the Device Guard Code Integrity policy.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2017-11823
Install updates from vendor's website.