CVE-2017-0100

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-17. 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 (Exploit-DB (verified), public exploit)
CISA-KEV: Not listedEPSS PROB: 5%CVSS: 7.8Exploit: Exploit-DB (verified) · public exploitExposed: 0

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

A DCOM object in Helppane.exe in Microsoft Windows 7 SP1; Windows Server 2008 R2; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows local users to gain privileges via a crafted application, aka "Windows HelpPane Elevation of Privilege Vulnerability."

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
66(Track)
EG Risk 66/100SSVC: 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
Severity78% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
5%
EPSS %ILE
92%
KEV
Not listed

Published

March 17, 2017

Last Modified

June 17, 2026

References (12)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 20× 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 125 total refreshes for this CVE.

  1. 2026-09-19 15:35 UTCEPSS rescore
  2. 2026-09-18 19:22 UTCEPSS rescore
  3. 2026-09-17 19:22 UTCEPSS rescore
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  1. 2026-08-15 01:25 UTCEPSS rescore
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  18. 2026-07-23 14:15 UTCEPSS rescore
  19. 2026-07-23 01:25 UTCEG score recompute
  20. 2026-07-22 22:04 UTCEG score recompute
  21. 2026-07-22 14:04 UTCEPSS rescore
  22. 2026-07-21 15:21 UTCEPSS rescore
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  24. 2026-07-20 17:04 UTCEPSS rescore
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  41. 2026-07-09 19:06 UTCEPSS rescore
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  43. 2026-07-07 13:42 UTCEPSS rescore
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  48. 2026-07-05 02:27 UTCEPSS rescore
  49. 2026-07-04 06:28 UTCEPSS rescore
  50. 2026-07-01 15:02 UTCEPSS rescore
  51. 2026-06-30 23:19 UTCEPSS rescore
  52. 2026-06-30 23:19 UTCEPSS rescore
  53. 2026-06-28 14:04 UTCEPSS rescore
  54. 2026-06-28 04:53 UTCEPSS rescore
  55. 2026-06-27 03:05 UTCEPSS rescore
  56. 2026-06-25 13:47 UTCEPSS rescore
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  58. 2026-06-23 21:30 UTCEPSS rescore
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  61. 2026-06-19 19:23 UTCEPSS rescore
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  63. 2026-06-18 17:50 UTCEPSS rescore
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  65. 2026-06-17 17:50 UTCEPSS rescore
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  67. 2026-06-16 17:50 UTCEPSS rescore
  68. 2026-06-15 17:45 UTCEPSS rescore
  69. 2026-06-12 23:09 UTCEPSS rescore
  70. 2026-06-11 13:57 UTCEPSS rescore
  71. 2026-06-06 13:45 UTCEPSS rescore
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  73. 2026-06-05 22:44 UTCEPSS rescore
  74. 2026-06-05 06:08 UTCEPSS rescore
  75. 2026-06-05 06:08 UTCEPSS rescore

Publicly available exploits

(2 references)

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

  • GitHub PoCcssxn/CVE-2017-0100
    First seen Mar 24, 2021

    CVE-2017-0100、MS17-012、Eop

    Open source ↗
  • Exploit-DBEDB-41607✓ verified
    First seen Mar 15, 2017

    Microsoft Windows - COM Session Moniker Privilege Escalation (MS17-012)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2017-0100?
CVE-2017-0100 is a high vulnerability published on March 17, 2017. A DCOM object in Helppane.exe in Microsoft Windows 7 SP1; Windows Server 2008 R2; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows local users to gain privileges via a crafted application, aka "Windows HelpPane Elevation…
When was CVE-2017-0100 disclosed?
CVE-2017-0100 was first published in the National Vulnerability Database on March 17, 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-2017-0100 actively exploited?
CVE-2017-0100 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5% probability of exploitation in the next 30 days, which ranks it in the top 8.2% of all scored CVEs.
What is the CVSS score of CVE-2017-0100?
CVE-2017-0100 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2017-0100?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-0100, 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

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