Privilege escalation in Windows and Windows Server - CVE-2014-4077
Published: January 20, 2017 / Updated: May 25, 2022
Vulnerability identifier: #VU5184
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2014-4077
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to obtain elevated privileges on the target system.
The weakness exists due to improper access control in Microsoft implementation of Input Method Editor (IME) for Japanese language. A remote attacker can create a specially crafted file designed to invoke a vulnerable sandboxed application, trick the victim into opening it, gain elevated privileges and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
The weakness exists due to improper access control in Microsoft implementation of Input Method Editor (IME) for Japanese language. A remote attacker can create a specially crafted file designed to invoke a vulnerable sandboxed application, trick the victim into opening it, gain elevated privileges and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
How to mitigate CVE-2014-4077
Install update from vendor's website.