CVE-2014-4077: Microsoft IME Japanese Privilege Escalation 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.
| Vendor | Microsoft |
|---|---|
| Product | Input Method Editor (IME) Japanese |
| Date added to KEV | 2022-05-25 |
| Due date (BOD 22-01) | 2022-06-15 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-264 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Microsoft Input Method Editor (IME) Japanese in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2022-06-15 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2014-4077 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2014-4077