CVE-2014-4123

CRITICALNVD 8.89.0▲
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 8.8 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: 47%CVSS: 8.8Exploit: 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 Internet Explorer 7 through 11 allows remote attackers to gain privileges via a crafted web site, aka "Internet Explorer Elevation of Privilege Vulnerability," as exploited in the wild in October 2014, a different vulnerability than CVE-2014-4124.

CVSS v3
8.8
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
47%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

October 15, 2014

Last Modified

April 21, 2026

Advisory Details (4)

Auto-updated May 2, 2026
No patch confirmed yet.
generic

Microsoft Security Bulletin MS14-056 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-056
generic
http://www.securityfocus.com/bid/70326
generic

About Secunia Research | Flexera

http://secunia.com/advisories/60968
generic

Archived MSDN and TechNet Blogs | Microsoft Learn

http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx

Data Freshness Timeline

(refreshed 59× in last 7d / 215× 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 641 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2014-4123?
CVE-2014-4123 is a critical vulnerability published on October 15, 2014. Microsoft Internet Explorer 7 through 11 allows remote attackers to gain privileges via a crafted web site, aka "Internet Explorer Elevation of Privilege Vulnerability," as exploited in the wild in October 2014, a different vulnerability than CVE-2014-4124.
When was CVE-2014-4123 disclosed?
CVE-2014-4123 was first published in the National Vulnerability Database on October 15, 2014, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2014-4123 actively exploited?
Yes. CISA added CVE-2014-4123 to the Known Exploited Vulnerabilities catalog on May 25, 2022, affecting Microsoft Internet Explorer. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2014-4123?
CVE-2014-4123 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2014-4123?
CVE-2014-4123 affects Microsoft Internet Explorer. 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-2014-4123?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-4123, 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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