CVE-2017-0143

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 2021-11-03), 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 — 5 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: 93%CVSS: 8.8Exploit: NoneExposed: 0

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

The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0144, CVE-2017-0145, CVE-2017-0146, and CVE-2017-0148.

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
99.8%
KEV
⚠ Exploited

Published

March 17, 2017

Last Modified

April 22, 2026

Advisory Details (6)

Auto-updated May 2, 2026
🔬 Proof of concept available. Patch available. Sources: microsoft.
generic🟡 PoC Available

Microsoft Windows Server 2008 R2 (x64) - 'SrvOs2FeaToNt' SMB Remote Code Execution (MS17-010) - Windows_x86-64 remote Exploit

https://www.exploit-db.com/exploits/41987/
generic🟡 PoC Available

Microsoft Windows - SMB Remote Code Execution Scanner (MS17-010) (Metasploit) - Windows dos Exploit

https://www.exploit-db.com/exploits/41891/
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0143
generic
http://www.securityfocus.com/bid/96703
generic

Packet Storm

http://packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.html
generic

Packet Storm

http://packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.html

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 62× in last 7d / 357× 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 706 total refreshes for this CVE.

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

Publicly available exploits

(10 references)

Working exploit code is in the public domain (3 Metasploit modules) (3 GitHub PoCs) (4 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCh3x0v3rl0rd/MS17-010_CVE-2017-0143
    First seen Jul 8, 2021

    MS17-010_CVE-2017-0143

    Open source ↗
  • GitHub PoCNatteeSetobol/Etern-blue-Windows-7-Checker
    First seen Oct 7, 2020

    EternalBlue is a well-known SMB exploit created by the NSA to attack various versions of Windows, including Windows 7. Etern-Blue-Windows-7-Checker will basically send SMB packets to a host to see if that Windows host machine is vulnerable to the EternalBlue exploit (CVE-2017-0143).

    Open source ↗
  • Exploit-DBEDB-47456✓ verified
    First seen Oct 2, 2019

    DOUBLEPULSAR - Payload Execution and Neutralization (Metasploit)

    Open source ↗
  • Exploit-DBEDB-43970✓ verified
    First seen Feb 5, 2018

    Microsoft Windows - 'EternalRomance'/'EternalSynergy'/'EternalChampion' SMB Remote Code Execution (Metasploit) (MS17-010)

    Open source ↗
  • GitHub PoCvalarauco/wannafind
    First seen May 16, 2017

    Simple script using nmap to detect CVE-2017-0143 MS17-010 in your network

    Open source ↗
  • Exploit-DBEDB-41987
    First seen May 10, 2017

    Microsoft Windows Server 2008 R2 (x64) - 'SrvOs2FeaToNt' SMB Remote Code Execution (MS17-010)

    Open source ↗
  • Exploit-DBEDB-41891✓ verified
    First seen Apr 17, 2017

    Microsoft Windows - SMB Remote Code Execution Scanner (MS17-010) (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/smb/smb_doublepulsar_rce✓ verified
    First seen Apr 14, 2017

    SMB DOUBLEPULSAR Remote Code Execution

    Open source ↗
  • Metasploitexploit/windows/smb/ms17_010_psexec✓ verified
    First seen Mar 14, 2017

    MS17-010 EternalRomance/EternalSynergy/EternalChampion SMB Remote Windows Code Execution

    Open source ↗
  • Metasploitauxiliary/admin/smb/ms17_010_command✓ verified
    First seen Mar 14, 2017

    MS17-010 EternalRomance/EternalSynergy/EternalChampion SMB Remote Windows Command Execution

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2017-0143?
CVE-2017-0143 is a high vulnerability published on March 17, 2017. The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka…
When was CVE-2017-0143 disclosed?
CVE-2017-0143 was first published in the National Vulnerability Database on March 17, 2017, 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-2017-0143 actively exploited?
Yes. CISA added CVE-2017-0143 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2017-0143?
CVE-2017-0143 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-2017-0143?
CVE-2017-0143 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-2017-0143?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-0143, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2017-0143

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