Known exploited vulnerability

CVE-2014-4077

Microsoft IME Japanese Privilege Escalation Vulnerability

What is affected

Vendor Microsoft
Product Input Method Editor (IME) Japanese
Weakness CWE-264

The vulnerability

Microsoft Input Method Editor (IME) Japanese is a keyboard with Japanese characters that can be enabled on Windows systems as it is included by default (with the default set as disabled). IME Japanese contains an unspecified vulnerability when IMJPDCT.EXE (IME for Japanese) is installed which allows attackers to bypass a sandbox and perform privilege escalation.

Required action

Apply updates per vendor instructions.

US federal civilian agencies were required to act by 15 June 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.

Where this comes from

Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 12 Nov 2026, 21:26. Nothing here is our own assessment. For the technical scoring, see the NVD record below.

NVD record ↗ CVE.org record ↗

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