Input validation error in Microsoft products - CVE-2018-8256
Published: November 13, 2018
Vulnerability identifier: #VU15866
CSH Severity: High
CVSS v4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-8256
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of user-supplied input within PowerShell files. A remote attacker can create a specially crafted PowerShell file, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.
Affected software
Microsoft Windows
Windows Server
PowerShell Core
Windows Server
PowerShell Core
How to mitigate CVE-2018-8256
Install updates from vendor's website.