CVE-2017-8622

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
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.8Exploit: NoneExposed: 0

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

Windows Subsystem for Linux in Windows 10 1703 allows an elevation of privilege vulnerability when it fails to properly handle handles NT pipes, aka "Windows Subsystem for Linux Elevation of Privilege Vulnerability".

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
67.0%
KEV
Not listed

Published

August 8, 2017

Last Modified

May 13, 2026

References (6)

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 12× in last 7d / 45× 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. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
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  4. 2026-07-06 02:20 UTCEPSS rescore
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  9. 2026-07-02 16:54 UTCEPSS rescore
  10. 2026-07-01 15:03 UTCEPSS rescore
  11. 2026-06-30 23:19 UTCEPSS rescore
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  15. 2026-06-28 04:53 UTCEPSS rescore
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  17. 2026-06-27 03:06 UTCEPSS rescore
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  1. 2026-06-21 14:54 UTCEPSS rescore
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  4. 2026-06-19 19:23 UTCEPSS rescore
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  6. 2026-06-18 17:50 UTCEPSS rescore
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  16. 2026-06-11 13:57 UTCEPSS rescore
  17. 2026-06-10 22:15 UTCEPSS rescore
  18. 2026-06-10 13:19 UTCEPSS rescore
  19. 2026-06-08 14:14 UTCEPSS rescore
  20. 2026-06-08 14:14 UTCEPSS rescore
  21. 2026-06-07 15:22 UTCEPSS rescore
  22. 2026-06-07 15:22 UTCEPSS rescore
  23. 2026-06-06 13:45 UTCEPSS rescore
  24. 2026-06-06 13:45 UTCEPSS rescore
  25. 2026-06-05 22:44 UTCEPSS rescore
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  27. 2026-06-05 06:08 UTCEPSS rescore
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  29. 2026-06-04 13:10 UTCEPSS rescore
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  31. 2026-06-02 20:11 UTCEPSS rescore
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  33. 2026-06-01 13:49 UTCEPSS rescore
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  35. 2026-05-31 22:28 UTCEPSS rescore
  36. 2026-05-31 00:14 UTCEPSS rescore
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  38. 2026-05-29 13:41 UTCEPSS rescore
  39. 2026-05-28 13:42 UTCEPSS rescore
  40. 2026-05-28 13:42 UTCEPSS rescore
  41. 2026-05-27 13:38 UTCEPSS rescore
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  43. 2026-05-26 13:42 UTCEPSS rescore
  44. 2026-05-26 07:17 UTCEPSS rescore
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  46. 2026-05-22 21:15 UTCEPSS rescore
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  52. 2026-05-22 21:15 UTCEPSS rescore
  53. 2026-05-22 10:51 UTCEG score recompute
  54. 2026-05-22 10:51 UTCVendor advisory
  55. 2026-05-22 10:51 UTCGHSA enrichment
  56. 2026-05-21 22:40 UTCEPSS rescore
  57. 2026-05-21 22:40 UTCEPSS rescore
  58. 2026-05-20 22:37 UTCEPSS rescore
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  75. 2026-05-18 21:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2017-8622?
CVE-2017-8622 is a high vulnerability published on August 8, 2017. Windows Subsystem for Linux in Windows 10 1703 allows an elevation of privilege vulnerability when it fails to properly handle handles NT pipes, aka "Windows Subsystem for Linux Elevation of Privilege Vulnerability".
When was CVE-2017-8622 disclosed?
CVE-2017-8622 was first published in the National Vulnerability Database on August 8, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-8622 actively exploited?
CVE-2017-8622 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-8622?
CVE-2017-8622 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2017-8622?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-8622, 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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