CVE-2014-4077
HighExploitedPublic exploitMicrosoft 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…
Published Nov 11, 2014 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2014-4077 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Office 2007 Ime (Microsoft), Windows 7 (Microsoft), Windows Server 2003 (Microsoft) and 2 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 11, 2014. Public exploit code is available.
- EPSS estimates a 55% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
55%
Higher than 99.0% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2014-4077 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | May 25, 2022 | Jun 15, 2022 | Not reported |
| Industry KEV feed | Nov 11, 2014 | Jun 15, 2022 | Not reported |
| CIRCL KEV | May 25, 2022 | Jun 15, 2022 | Not reported |
| ENISA EUVD | May 25, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
7 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Office 2007 ImeMicrosoft | sp3 | n/a |
| Windows 7Microsoft | See advisory | n/a |
| Windows Server 2003Microsoft | See advisory | n/a |
| Windows Server 2008Microsoft | r2-sp1 | n/a |
| Windows VistaMicrosoft | See advisory | n/a |
Timeline
Publicly disclosed
Nov 11, 2014
Added to Industry KEV feed
Nov 11, 2014
Added to CISA KEV
May 25, 2022
Added to CIRCL KEV
May 25, 2022
Added to ENISA EUVD
May 25, 2022
Last updated
Apr 22, 2026
References
- advisoryhttp://blogs.technet.com/b/srd/archive/2014/11/11/assessing-risk-for-the-november-2014-security-updates.aspx
- advisory1031196
- advisory1031197
- patchMS14-078
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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 Priv…
Affected: Office 2007 Ime (Microsoft) versions sp3; Windows 7 (Microsoft); Windows Server 2003 (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 11, 2014.
Yes. It was added on May 25, 2022 with a federal remediation due date of Jun 15, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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