CVE-2015-2426

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 2022-03-28), 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: 87%CVSS: 8.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

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

Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft 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 OpenType font, aka "OpenType Font Driver 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 PROB
87%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

July 20, 2015

Last Modified

April 22, 2026

Advisory Details (5)

Auto-updated May 2, 2026
🔬 Proof of concept available. No patch confirmed yet. Sources: cert.
generic
http://www.securityfocus.com/bid/75951
cert

VU#103336 - Windows Adobe Type Manager privilege escalation vulnerability

http://www.kb.cert.org/vuls/id/103336
generic

Research, News, and Perspectives | Trend Micro (US)

http://blog.trendmicro.com/trendlabs-security-intelligence/a-look-at-the-open-type-font-manager-vulnerability-from-the-hacking-team-leak/
generic🟡 PoC Available

Microsoft Windows - Font Driver Buffer Overflow (MS15-078) (Metasploit) - Windows_x86-64 local Exploit

https://www.exploit-db.com/exploits/38222/
generic

Microsoft Security Bulletin MS15-078 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-078

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 47× in last 7d / 206× 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 749 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-38222✓ verified
    First seen Sep 17, 2015

    Microsoft Windows - Font Driver Buffer Overflow (MS15-078) (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/local/ms15_078_atmfd_bof✓ verified
    First seen Jul 11, 2015

    MS15-078 Microsoft Windows Font Driver Buffer Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2015-2426?
CVE-2015-2426 is a critical vulnerability published on July 20, 2015. Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft 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…
When was CVE-2015-2426 disclosed?
CVE-2015-2426 was first published in the National Vulnerability Database on July 20, 2015, 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-2015-2426 actively exploited?
Yes. CISA added CVE-2015-2426 to the Known Exploited Vulnerabilities catalog on March 28, 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-2015-2426?
CVE-2015-2426 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-2015-2426?
CVE-2015-2426 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-2015-2426?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-2426, 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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