CVE-2017-8461

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
7.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Metasploit, epss top5pct, public exploit)
CISA-KEV: Not listedEPSS PROB: 20%CVSS: 7.8Exploit: Metasploit · epss top5pct · public exploitExposed services: Not assessed

A fix is available — apply it.

Windows RPC with Routing and Remote Access enabled in Windows XP and Windows Server 2003 allows an attacker to execute code on a targeted RPC server which has Routing and Remote Access enabled via a specially crafted application, aka "Windows RPC Remote Code Execution Vulnerability."

CVSS v3
7.8
EG Score
7.8HIGHmedium confidence
EG Risk
66
EG Risk 66/100CISA SSVC

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
Severity78% × 45%
Exploitation65% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
20%
EPSS %ILE
97th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

June 15, 2017

Last Modified

June 17, 2026

References (8)

Data Freshness Timeline

(refreshed 5× in last 7d / 19× 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 165 total refreshes for this CVE.

  1. 2026-10-04 23:18 UTCEPSS rescore
  2. 2026-10-03 14:21 UTCEPSS rescore
  3. 2026-10-03 14:21 UTCEPSS rescore
  4. 2026-09-30 14:59 UTCEPSS rescore
  5. 2026-09-30 09:42 UTCEG score recompute
  6. 2026-09-27 13:40 UTCEPSS rescore
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  8. 2026-09-26 15:53 UTCEPSS rescore
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  1. 2026-08-28 21:36 UTCEPSS rescore
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  22. 2026-07-30 16:24 UTCEPSS rescore
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  25. 2026-07-26 14:51 UTCEPSS rescore
  26. 2026-07-26 14:51 UTCEPSS rescore
  27. 2026-07-23 14:15 UTCEPSS rescore
  28. 2026-07-23 01:30 UTCEG score recompute
  29. 2026-07-22 22:10 UTCEG score recompute
  30. 2026-07-22 14:04 UTCEPSS rescore
  31. 2026-07-21 15:21 UTCEPSS rescore
  32. 2026-07-20 17:04 UTCEPSS rescore
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  45. 2026-07-13 22:26 UTCEPSS rescore
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  47. 2026-07-12 05:43 UTCEPSS rescore
  48. 2026-07-11 08:24 UTCEPSS rescore
  49. 2026-07-09 19:06 UTCEPSS rescore
  50. 2026-07-08 15:11 UTCEPSS rescore
  51. 2026-07-07 13:42 UTCEPSS rescore
  52. 2026-07-06 16:24 UTCEPSS rescore
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  59. 2026-07-02 16:54 UTCEPSS rescore
  60. 2026-07-01 15:03 UTCEPSS rescore
  61. 2026-06-30 23:19 UTCEPSS rescore
  62. 2026-06-30 23:19 UTCEPSS rescore
  63. 2026-06-28 14:04 UTCEPSS rescore
  64. 2026-06-28 04:53 UTCEPSS rescore
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  66. 2026-06-27 03:06 UTCEPSS rescore
  67. 2026-06-25 13:47 UTCEPSS rescore
  68. 2026-06-24 14:02 UTCEPSS rescore
  69. 2026-06-24 14:02 UTCEPSS rescore
  70. 2026-06-23 21:30 UTCEPSS rescore
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  72. 2026-06-22 14:23 UTCEPSS rescore
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  74. 2026-06-21 01:57 UTCEPSS rescore
  75. 2026-06-21 01:57 UTCEPSS rescore

Publicly available exploits

(1 reference)

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

  • Metasploitexploit/windows/smb/smb_rras_erraticgopher✓ verified
    First seen Jun 13, 2017

    Microsoft Windows RRAS Service MIBEntryGet Overflow

    Open source ↗

Frequently asked(5)

What is CVE-2017-8461?
CVE-2017-8461 is a high vulnerability published on June 15, 2017. Windows RPC with Routing and Remote Access enabled in Windows XP and Windows Server 2003 allows an attacker to execute code on a targeted RPC server which has Routing and Remote Access enabled via a specially crafted application, aka "Windows RPC Remote Code Execution Vulnerability."
When was CVE-2017-8461 disclosed?
CVE-2017-8461 was first published on June 15, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-8461 actively exploited?
CVE-2017-8461 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 20% probability of exploitation in the next 30 days (97th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-8461?
CVE-2017-8461 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2017-8461?
A fix for CVE-2017-8461 is available: update to the fixed version the vendor names in its advisory.

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