CVE-2007-3901

HIGHCVSS v2 · 8.58.5—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 8.5 — v2 rates that HIGH (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:S/C:C/I:C/A:C. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 45.9% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.

Sources: epss, nvd_v2
Weaponized
8.5EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Metasploit, Exploit-DB (verified), epss top5pct, public exploit)
CISA-KEV: Not listedEPSS PROB: 46%CVSS v2: 8.5Exploit: Metasploit · Exploit-DB (verified) · epss top5pct · public exploitExposed: 0

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

Stack-based buffer overflow in the DirectShow Synchronized Accessible Media Interchange (SAMI) parser in quartz.dll for Microsoft DirectX 7.0 through 10.0 allows remote attackers to execute arbitrary code via a crafted SAMI file.

CVSS v2.0 (legacy)
8.5HIGHNVD never assigned a CVSS v3 rating to this CVE
EG Score
8.5(low)
EG Risk
69(Track)
EG Risk 69/100SSVC: Track

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
Severity85% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
46%
EPSS %ILE
99%
KEV
Not listed

Published

December 12, 2007

Last Modified

April 23, 2026

References (26)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 0× in last 7d / 6× 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.

  1. 2026-08-08 16:30 UTCEPSS rescore
  2. 2026-08-07 16:20 UTCEPSS rescore
  3. 2026-08-06 13:41 UTCEPSS rescore
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  5. 2026-07-30 16:22 UTCEPSS rescore
  6. 2026-07-30 01:25 UTCEPSS rescore
  7. 2026-07-28 15:30 UTCEPSS rescore
  8. 2026-07-26 13:33 UTCEG score recompute▲ 8.50
  9. 2026-07-25 14:12 UTCEPSS rescore
  10. 2026-07-24 14:11 UTCEPSS rescore
  11. 2026-07-23 14:13 UTCEPSS rescore
  12. 2026-07-23 00:54 UTCEG score recompute
  13. 2026-07-23 00:33 UTCEG score recompute▼ 2.60
  14. 2026-07-22 23:58 UTCEG score recompute▲ 2.60
  15. 2026-07-22 21:37 UTCEG score recompute
  16. 2026-07-22 14:03 UTCEPSS rescore
  17. 2026-07-21 15:19 UTCEPSS rescore
  18. 2026-07-20 17:03 UTCEPSS rescore
  19. 2026-07-18 09:59 UTCEPSS rescore
  20. 2026-07-16 16:58 UTCEPSS rescore
  21. 2026-07-15 16:54 UTCEPSS rescore
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  1. 2026-07-06 02:19 UTCEPSS rescore
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  5. 2026-07-01 15:02 UTCEPSS rescore
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  7. 2026-06-29 14:02 UTCEPSS rescore
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  9. 2026-06-28 04:52 UTCEPSS rescore
  10. 2026-06-25 13:46 UTCEPSS rescore
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  16. 2026-06-22 14:22 UTCEPSS rescore
  17. 2026-06-21 01:56 UTCEPSS rescore
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  19. 2026-06-18 17:49 UTCEPSS rescore
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  26. 2026-06-15 17:44 UTCEPSS rescore
  27. 2026-06-13 22:57 UTCEPSS rescore
  28. 2026-06-12 23:08 UTCEPSS rescore
  29. 2026-06-10 22:14 UTCEPSS rescore
  30. 2026-06-10 13:17 UTCEPSS rescore
  31. 2026-06-08 14:13 UTCEPSS rescore
  32. 2026-06-07 15:21 UTCEPSS rescore
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  35. 2026-06-05 06:07 UTCEPSS rescore
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  41. 2026-06-01 13:49 UTCEPSS rescore
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  43. 2026-06-01 13:49 UTCEPSS rescore
  44. 2026-05-31 00:13 UTCEPSS rescore
  45. 2026-05-31 00:13 UTCEPSS rescore
  46. 2026-05-30 23:50 UTCEG score recompute
  47. 2026-05-30 23:50 UTCGHSA enrichment
  48. 2026-05-28 13:42 UTCEPSS rescore
  49. 2026-05-28 13:42 UTCEPSS rescore
  50. 2026-05-28 13:42 UTCEPSS rescore
  51. 2026-05-27 13:38 UTCEPSS rescore
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  54. 2026-05-22 21:15 UTCEPSS rescore
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  56. 2026-05-18 21:29 UTCEPSS rescore
  57. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16442✓ verified
    First seen Oct 5, 2010

    Microsoft DirectX DirectShow - SAMI Buffer Overflow (MS07-064) (Metasploit)

    Open source ↗
  • Exploit-DBEDB-4866✓ verified
    First seen Jan 8, 2008

    Microsoft DirectX SAMI File Parsing - Remote Stack Overflow

    Open source ↗
  • Metasploitexploit/windows/misc/ms07_064_sami✓ verified
    First seen Dec 11, 2007

    MS07-064 Microsoft DirectX DirectShow SAMI Buffer Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2007-3901?
CVE-2007-3901 is a high vulnerability published on December 12, 2007. Stack-based buffer overflow in the DirectShow Synchronized Accessible Media Interchange (SAMI) parser in quartz.dll for Microsoft DirectX 7.0 through 10.0 allows remote attackers to execute arbitrary code via a crafted SAMI file.
When was CVE-2007-3901 disclosed?
CVE-2007-3901 was first published in the National Vulnerability Database on December 12, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-3901 actively exploited?
CVE-2007-3901 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46% probability of exploitation in the next 30 days, which ranks it in the top 1.3% of all scored CVEs.
How do I remediate CVE-2007-3901?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-3901, 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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