High severity · published Nov 11, 2014
CVE-2014-4077
Microsoft IME Japanese Privilege Escalation Vulnerability
In wildKEV
7.8
CVSS
54.6%
EPSS
Yes
On KEV
Description
Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, and Office 2007 SP3, when IMJPDCT.EXE (aka IME for Japanese) is installed, allow remote attackers to bypass a sandbox protection mechanism via a crafted PDF document, aka "Microsoft IME (Japanese) Elevation of Privilege Vulnerability," as exploited in the wild in 2014.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)54.6% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed May 25, 2022
Federal remediation dueJun 15, 2022
Ransomware campaign useNot known
Affected products
Which versions
O2
W7
Windows 7 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2003 · Microsoft
All versions, or not specified · source: NVD
WS
WV
Windows Vista · Microsoft
All versions, or not specified · source: NVD
IM
Input Method Editor (IME) Japanese · Microsoft
All versions, or not specified · source: KEV