Improper input validation in Windows and Windows Server - CVE-2017-8566
Published: July 11, 2017 / Updated: July 11, 2017
Vulnerability identifier: #VU7467
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-8566
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists Windows Input Method Editor (IME) when IME improperly handles parameters in a method of a DCOM class. A local user can execute arbitrary code on the target system with elevated privileges.
Note: The attacker can instantiate the DCOM class and exploit the system even if IME is not enabled.
How to mitigate CVE-2017-8566
Install updates from vendor's website.