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CVE-2014-4077: Microsoft IME Japanese Privilege Escalation Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-05-25
• EPSS: 54.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-11-11 · updated 2026-06-17

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.

Affected products

• Microsoft Office 2007 Ime: sp3
• Microsoft Windows 7: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Vista: all versions

References

• http://blogs.technet.com/b/srd/archive/2014/11/11/assessing-risk-for-the-november-2014-security-updates.aspx
• http://www.securitytracker.com/id/1031196
• http://www.securitytracker.com/id/1031197
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-078
• http://blogs.technet.com/b/srd/archive/2014/11/11/assessing-risk-for-the-november-2014-security-updates.aspx
• http://www.securitytracker.com/id/1031196
• http://www.securitytracker.com/id/1031197
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-078
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4077

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