CVE-2014-4077

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 48%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
48%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

November 11, 2014

Last Modified

April 22, 2026

Advisory Details (5)

Auto-updated May 19, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4077
generic

Microsoft Security Bulletin MS14-078 - Moderate | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-078
generic
http://www.securitytracker.com/id/1031197
generic
http://www.securitytracker.com/id/1031196
generic

Archived MSDN and TechNet Blogs | Microsoft Learn

http://blogs.technet.com/b/srd/archive/2014/11/11/assessing-risk-for-the-november-2014-security-updates.aspx

Data Freshness Timeline

(refreshed 62× in last 7d / 223× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 673 total refreshes for this CVE.

  1. 2026-08-22 00:00 UTCEG score recompute
  2. 2026-08-22 00:00 UTCGHSA enrichment
  3. 2026-08-21 23:44 UTCEPSS rescore
  4. 2026-08-21 20:07 UTCGHSA enrichment
  5. 2026-08-21 16:49 UTCCISA KEV update
  6. 2026-08-21 16:15 UTCGHSA enrichment
  7. 2026-08-21 12:23 UTCGHSA enrichment
  8. 2026-08-21 08:31 UTCGHSA enrichment
  9. 2026-08-21 04:38 UTCGHSA enrichment
  10. 2026-08-21 00:45 UTCEG score recompute
  11. 2026-08-21 00:45 UTCGHSA enrichment
  12. 2026-08-20 22:50 UTCEPSS rescore
  13. 2026-08-20 20:53 UTCGHSA enrichment
  14. 2026-08-20 17:06 UTCCISA KEV update
  15. 2026-08-20 17:01 UTCGHSA enrichment
  16. 2026-08-20 13:09 UTCGHSA enrichment
  17. 2026-08-20 09:17 UTCGHSA enrichment
  18. 2026-08-20 05:25 UTCGHSA enrichment
  19. 2026-08-20 01:33 UTCGHSA enrichment
  20. 2026-08-19 21:41 UTCGHSA enrichment
  21. 2026-08-19 17:48 UTCEG score recompute
  22. 2026-08-19 17:48 UTCGHSA enrichment
  23. 2026-08-19 17:33 UTCCISA KEV update
  24. 2026-08-19 16:59 UTCEPSS rescore
  25. 2026-08-19 13:55 UTCGHSA enrichment
Show 75 more
  1. 2026-08-19 10:02 UTCGHSA enrichment
  2. 2026-08-19 06:10 UTCGHSA enrichment
  3. 2026-08-19 02:16 UTCGHSA enrichment
  4. 2026-08-18 22:23 UTCGHSA enrichment
  5. 2026-08-18 18:31 UTCGHSA enrichment
  6. 2026-08-18 16:58 UTCCISA KEV update
  7. 2026-08-18 14:38 UTCEG score recompute
  8. 2026-08-18 14:37 UTCGHSA enrichment
  9. 2026-08-18 13:43 UTCEPSS rescore
  10. 2026-08-18 10:24 UTCGHSA enrichment
  11. 2026-08-18 06:30 UTCGHSA enrichment
  12. 2026-08-18 02:38 UTCGHSA enrichment
  13. 2026-08-17 22:46 UTCGHSA enrichment
  14. 2026-08-17 18:53 UTCGHSA enrichment
  15. 2026-08-17 15:00 UTCEG score recompute
  16. 2026-08-17 15:00 UTCGHSA enrichment
  17. 2026-08-17 13:56 UTCCISA KEV update
  18. 2026-08-17 11:07 UTCGHSA enrichment
  19. 2026-08-17 07:15 UTCGHSA enrichment
  20. 2026-08-17 03:23 UTCGHSA enrichment
  21. 2026-08-16 23:31 UTCGHSA enrichment
  22. 2026-08-16 19:39 UTCGHSA enrichment
  23. 2026-08-16 15:46 UTCGHSA enrichment
  24. 2026-08-16 11:53 UTCGHSA enrichment
  25. 2026-08-16 08:01 UTCGHSA enrichment
  26. 2026-08-16 04:09 UTCEG score recompute
  27. 2026-08-16 04:09 UTCGHSA enrichment
  28. 2026-08-16 02:09 UTCEPSS rescore
  29. 2026-08-16 00:17 UTCGHSA enrichment
  30. 2026-08-15 20:25 UTCGHSA enrichment
  31. 2026-08-15 16:33 UTCGHSA enrichment
  32. 2026-08-15 12:41 UTCGHSA enrichment
  33. 2026-08-15 08:48 UTCGHSA enrichment
  34. 2026-08-15 04:56 UTCEG score recompute
  35. 2026-08-15 04:56 UTCGHSA enrichment
  36. 2026-08-15 01:25 UTCEPSS rescore
  37. 2026-08-15 01:04 UTCGHSA enrichment
  38. 2026-08-14 21:12 UTCGHSA enrichment
  39. 2026-08-14 17:20 UTCGHSA enrichment
  40. 2026-08-14 13:28 UTCGHSA enrichment
  41. 2026-08-14 09:36 UTCGHSA enrichment
  42. 2026-08-14 05:44 UTCGHSA enrichment
  43. 2026-08-14 01:51 UTCGHSA enrichment
  44. 2026-08-13 21:59 UTCEG score recompute
  45. 2026-08-13 21:59 UTCGHSA enrichment
  46. 2026-08-13 18:07 UTCGHSA enrichment
  47. 2026-08-13 14:15 UTCGHSA enrichment
  48. 2026-08-13 10:23 UTCGHSA enrichment
  49. 2026-08-13 06:31 UTCGHSA enrichment
  50. 2026-08-13 02:38 UTCGHSA enrichment
  51. 2026-08-12 22:46 UTCGHSA enrichment
  52. 2026-08-12 18:54 UTCGHSA enrichment
  53. 2026-08-12 15:02 UTCEG score recompute
  54. 2026-08-12 15:02 UTCGHSA enrichment
  55. 2026-08-12 13:46 UTCEPSS rescore
  56. 2026-08-12 11:10 UTCGHSA enrichment
  57. 2026-08-12 07:18 UTCGHSA enrichment
  58. 2026-08-12 03:25 UTCGHSA enrichment
  59. 2026-08-11 23:32 UTCGHSA enrichment
  60. 2026-08-11 19:40 UTCGHSA enrichment
  61. 2026-08-11 19:32 UTCCISA KEV update
  62. 2026-08-11 15:48 UTCEG score recompute
  63. 2026-08-11 15:48 UTCGHSA enrichment
  64. 2026-08-11 11:56 UTCGHSA enrichment
  65. 2026-08-11 08:04 UTCGHSA enrichment
  66. 2026-08-11 04:12 UTCGHSA enrichment
  67. 2026-08-11 00:20 UTCGHSA enrichment
  68. 2026-08-10 20:28 UTCGHSA enrichment
  69. 2026-08-10 16:36 UTCEG score recompute
  70. 2026-08-10 16:36 UTCGHSA enrichment
  71. 2026-08-10 12:43 UTCGHSA enrichment
  72. 2026-08-10 08:51 UTCGHSA enrichment
  73. 2026-08-10 05:00 UTCGHSA enrichment
  74. 2026-08-10 01:07 UTCGHSA enrichment
  75. 2026-08-09 21:15 UTCGHSA enrichment

Frequently asked(6)

What is CVE-2014-4077?
CVE-2014-4077 is a critical vulnerability published on November 11, 2014. 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…
When was CVE-2014-4077 disclosed?
CVE-2014-4077 was first published in the National Vulnerability Database on November 11, 2014, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2014-4077 actively exploited?
Yes. CISA added CVE-2014-4077 to the Known Exploited Vulnerabilities catalog on May 25, 2022, affecting Microsoft Input Method Editor (IME) Japanese. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2014-4077?
CVE-2014-4077 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2014-4077?
CVE-2014-4077 affects Microsoft Input Method Editor (IME) Japanese. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2014-4077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-4077, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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