Improper input validation in Microsoft Windows and Windows Server - CVE-2017-8591

 

Improper input validation in Microsoft Windows and Windows Server - CVE-2017-8591

Published: August 8, 2017 / Updated: August 8, 2017


Vulnerability identifier: #VU7723
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8591
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to an error in Windows Input Method Editor (IME) when IME improperly handles parameters in a method of a DCOM class. A local user can instantiate the DCOM class and execute arbitrary code with elevated privileges.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2017-8591

Install updates from vendor's website.


External References

Related Security Bulletins