CVE-2017-8680

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 4%CVSS: 5.5Exploit: NoneExposed: 0

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

The Windows kernel component on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT 8.1 allows an information disclosure vulnerability when it improperly handles objects in memory, aka "Win32k Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8678, CVE-2017-8677, CVE-2017-8681, and CVE-2017-8687.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
89.8%
KEV
Not listed

Published

September 13, 2017

Last Modified

May 13, 2026

References (8)

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 / 43× 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
  3. 2026-07-06 16:24 UTCEPSS rescore
  4. 2026-07-06 02:20 UTCEPSS rescore
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  10. 2026-07-01 15:03 UTCEPSS rescore
  11. 2026-06-30 23:19 UTCEPSS rescore
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  1. 2026-06-21 14:54 UTCEPSS rescore
  2. 2026-06-21 01:57 UTCEPSS rescore
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  4. 2026-06-18 17:50 UTCEPSS rescore
  5. 2026-06-17 17:50 UTCEPSS rescore
  6. 2026-06-16 17:50 UTCEPSS rescore
  7. 2026-06-15 17:45 UTCEPSS rescore
  8. 2026-06-14 23:14 UTCEPSS rescore
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  10. 2026-06-13 22:58 UTCEPSS rescore
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  12. 2026-06-12 23:09 UTCEPSS rescore
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  14. 2026-06-11 13:57 UTCEPSS rescore
  15. 2026-06-10 22:15 UTCEPSS rescore
  16. 2026-06-10 13:19 UTCEPSS rescore
  17. 2026-06-07 15:22 UTCEPSS rescore
  18. 2026-06-07 15:22 UTCEPSS rescore
  19. 2026-06-06 13:45 UTCEPSS rescore
  20. 2026-06-06 13:45 UTCEPSS rescore
  21. 2026-06-05 22:44 UTCEPSS rescore
  22. 2026-06-05 22:44 UTCEPSS rescore
  23. 2026-06-04 13:10 UTCEPSS rescore
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  25. 2026-06-02 20:11 UTCEPSS rescore
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  27. 2026-06-01 13:49 UTCEPSS rescore
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  29. 2026-05-31 22:28 UTCEPSS rescore
  30. 2026-05-31 00:14 UTCEPSS rescore
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  32. 2026-05-29 13:41 UTCEPSS rescore
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  35. 2026-05-27 13:38 UTCEPSS rescore
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  37. 2026-05-26 13:42 UTCEPSS rescore
  38. 2026-05-26 07:17 UTCEPSS rescore
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  40. 2026-05-22 21:15 UTCEPSS rescore
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  45. 2026-05-22 21:15 UTCEPSS rescore
  46. 2026-05-22 21:15 UTCEPSS rescore
  47. 2026-05-22 09:53 UTCEG score recompute
  48. 2026-05-22 09:53 UTCVendor advisory
  49. 2026-05-22 09:53 UTCGHSA enrichment
  50. 2026-05-22 09:26 UTCOSV refresh
  51. 2026-05-21 22:40 UTCEPSS rescore
  52. 2026-05-21 22:40 UTCEPSS rescore
  53. 2026-05-20 22:37 UTCEPSS rescore
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  62. 2026-05-20 11:21 UTCEPSS rescore
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  68. 2026-05-18 21:30 UTCEPSS rescore
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  70. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-42741✓ verified
    First seen Sep 18, 2017

    Microsoft Windows Kernel - 'win32k!NtGdiGetGlyphOutline' Pool Memory Disclosure

    Open source ↗

Frequently asked(5)

What is CVE-2017-8680?
CVE-2017-8680 is a medium vulnerability published on September 13, 2017. The Windows kernel component on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT 8.1 allows an information disclosure vulnerability when it improperly handles objects in memory, aka "Win32k Information Disclosure…
When was CVE-2017-8680 disclosed?
CVE-2017-8680 was first published in the National Vulnerability Database on September 13, 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-2017-8680 actively exploited?
CVE-2017-8680 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-8680?
CVE-2017-8680 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2017-8680?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-8680, 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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