CVE-2014-4148

HIGHNVD 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
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 53%CVSS: 8.8Exploit: NoneExposed: 0

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

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka "TrueType Font Parsing Remote Code Execution Vulnerability."

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
98.9%
KEV
⚠ Exploited

Published

October 15, 2014

Last Modified

April 22, 2026

Advisory Details (5)

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

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/96995
generic

Microsoft Security Bulletin MS14-058 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058
generic
http://www.securityfocus.com/bid/70429
generic

About Secunia Research | Flexera

http://secunia.com/advisories/60970
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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 43× in last 7d / 204× 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 422 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2014-4148?
CVE-2014-4148 is a high vulnerability published on October 15, 2014. win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted…
When was CVE-2014-4148 disclosed?
CVE-2014-4148 was first published in the National Vulnerability Database on October 15, 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-2014-4148 actively exploited?
Yes. CISA added CVE-2014-4148 to the Known Exploited Vulnerabilities catalog on May 25, 2022, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2014-4148?
CVE-2014-4148 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-2014-4148?
CVE-2014-4148 affects Microsoft Windows. 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-2014-4148?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-4148, 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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